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20000122101211 = 721611322147293
BaseRepresentation
bin1001000110000101001000…
…01011000101110111011011
32121210222210220012220000211
410203002210023011313123
510110140222224214321
6110311532415111551
74132650445614040
oct443024413056733
977728726186024
1020000122101211
11641100558452a
1222b01a85125b7
13b21007695185
144d20225631c7
1524a3b09540e1
hex1230a42c5ddb

20000122101211 has 8 divisors (see below), whose sum is σ = 22867859597024. Its totient is φ = 17135028904320.

The previous prime is 20000122101209. The next prime is 20000122101217. The reversal of 20000122101211 is 11210122100002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 20000122101211 - 21 = 20000122101209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20000122101191 and 20000122101200.

It is not an unprimeable number, because it can be changed into a prime (20000122101217) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 661058520 + ... + 661088773.

It is an arithmetic number, because the mean of its divisors is an integer number (2858482449628).

Almost surely, 220000122101211 is an apocalyptic number.

20000122101211 is a deficient number, since it is larger than the sum of its proper divisors (2867737495813).

20000122101211 is a wasteful number, since it uses less digits than its factorization.

20000122101211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1322149461.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 20000122101211 its reverse (11210122100002), we get a palindrome (31210244201213).

The spelling of 20000122101211 in words is "twenty trillion, one hundred twenty-two million, one hundred one thousand, two hundred eleven".

Divisors: 1 7 2161 15127 1322147293 9255031051 2857160300173 20000122101211