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20212011310100 = 2252367550736003
BaseRepresentation
bin1001001100001111110011…
…10000010001110000010100
32122120020201211010222001012
410212013321300101300110
510122123144343410400
6110553134140151352
74154161324306451
oct446077160216024
978506654128035
1020212011310100
1164929585052a5
122325281838558
13b37ca4bc769c
144dc3a3662828
15250b62a61d35
hex1261f9c11c14

20212011310100 has 36 divisors (see below), whose sum is σ = 43979574335424. Its totient is φ = 8062775069280.

The previous prime is 20212011310091. The next prime is 20212011310109. The reversal of 20212011310100 is 101311021202.

It is an interprime number because it is at equal distance from previous prime (20212011310091) and next prime (20212011310109).

It is a super-2 number, since 2×202120113101002 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212011310109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 275331302 + ... + 275404701.

Almost surely, 220212011310100 is an apocalyptic number.

20212011310100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212011310100 is an abundant number, since it is smaller than the sum of its proper divisors (23767563025324).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20212011310100 is a wasteful number, since it uses less digits than its factorization.

20212011310100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550736384 (or 550736377 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 20212011310100 its reverse (101311021202), we get a palindrome (20313322331302).

The spelling of 20212011310100 in words is "twenty trillion, two hundred twelve billion, eleven million, three hundred ten thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 367 734 1468 1835 3670 7340 9175 18350 36700 550736003 1101472006 2202944012 2753680015 5507360030 11014720060 13768400075 27536800150 55073600300 202120113101 404240226202 808480452404 1010600565505 2021201131010 4042402262020 5053002827525 10106005655050 20212011310100