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20100222102101 = 291103628387223
BaseRepresentation
bin1001001000111111100101…
…00110010010101001010101
32122011120012001000210201012
410210133302212102221111
510113310223324231401
6110425525313342005
74143123145600241
oct444376246225125
978146161023635
1020100222102101
11644a502401799
122307683867905
13b2a59ab1892b
144d6bda9b5421
1524ccbd8438bb
hex1247f2992a55

20100222102101 has 8 divisors (see below), whose sum is σ = 20812184858880. Its totient is φ = 19389516122032.

The previous prime is 20100222102091. The next prime is 20100222102137. The reversal of 20100222102101 is 10120122200102.

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

It is not a de Polignac number, because 20100222102101 - 210 = 20100222101077 is a prime.

It is a super-2 number, since 2×201002221021012 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20100222102601) 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, 314161625 + ... + 314225598.

It is an arithmetic number, because the mean of its divisors is an integer number (2601523107360).

Almost surely, 220100222102101 is an apocalyptic number.

It is an amenable number.

20100222102101 is a deficient number, since it is larger than the sum of its proper divisors (711962756779).

20100222102101 is a wasteful number, since it uses less digits than its factorization.

20100222102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 628388355.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20100222102101 its reverse (10120122200102), we get a palindrome (30220344302203).

The spelling of 20100222102101 in words is "twenty trillion, one hundred billion, two hundred twenty-two million, one hundred two thousand, one hundred one".

Divisors: 1 29 1103 31987 628387223 18223229467 693111106969 20100222102101