102102432311026 has 16 divisors (see below), whose sum is σ = 175032886029696. Its totient is φ = 43758149044896.

The previous prime is 102102432311017. The next prime is 102102432311069. The reversal of 102102432311026 is 620113234201201.

It is a super-2 number, since 2×102102432311026² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102102432310985 and 102102432311003.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21182635 + ... + 25552081.

It is an arithmetic number, because the mean of its divisors is an integer number (10939555376856).

Almost surely, 2^{102102432311026} is an apocalyptic number.

102102432311026 is a deficient number, since it is larger than the sum of its proper divisors (72930453718670).

102102432311026 is a wasteful number, since it uses less digits than its factorization.

102102432311026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6038553.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 102102432311026 its reverse (620113234201201), we get a palindrome (722215666512227).

The spelling of 102102432311026 in words is "one hundred two trillion, one hundred two billion, four hundred thirty-two million, three hundred eleven thousand, twenty-six".