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102220102102001 = 137863084777077
BaseRepresentation
bin10111001111011111111000…
…110111111110101111110001
3111101221010221200002122121112
4113033133320313332233301
5101344233232114231001
61001223133331403105
730350105264506562
oct2717377067765761
9441833850078545
10102220102102001
112a6303358449a4
12b56ab35453495
1345064115a25a0
141b3569d446169
15bc3ea5909cbb
hex5cf7f8dfebf1

102220102102001 has 4 divisors (see below), whose sum is σ = 110083186879092. Its totient is φ = 94357017324912.

The previous prime is 102220102101937. The next prime is 102220102102021. The reversal of 102220102102001 is 100201201022201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 69525996150625 + 32694105951376 = 8338225^2 + 5717876^2 .

It is a cyclic number.

It is not a de Polignac number, because 102220102102001 - 26 = 102220102101937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102220102102021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3931542388526 + ... + 3931542388551.

It is an arithmetic number, because the mean of its divisors is an integer number (27520796719773).

Almost surely, 2102220102102001 is an apocalyptic number.

It is an amenable number.

102220102102001 is a deficient number, since it is larger than the sum of its proper divisors (7863084777091).

102220102102001 is an equidigital number, since it uses as much as digits as its factorization.

102220102102001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7863084777090.

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

Adding to 102220102102001 its reverse (100201201022201), we get a palindrome (202421303124202).

The spelling of 102220102102001 in words is "one hundred two trillion, two hundred twenty billion, one hundred two million, one hundred two thousand, one".

Divisors: 1 13 7863084777077 102220102102001