102010111002 has 48 divisors (see below), whose sum is σ = 230244917760. Its totient is φ = 32604573600.

The previous prime is 102010110973. The next prime is 102010111019. The reversal of 102010111002 is 200111010201.

It is a happy number.

It is a super-2 number, since 2×102010111002² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 777774 + ... + 899417.

It is an arithmetic number, because the mean of its divisors is an integer number (4796769120).

Almost surely, 2^102010111002 is an apocalyptic number.

102010111002 is an abundant number, since it is smaller than the sum of its proper divisors (128234806758).

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

102010111002 is a wasteful number, since it uses less digits than its factorization.

102010111002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1677339 (or 1677336 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 102010111002 its reverse (200111010201), we get a palindrome (302121121203).

The spelling of 102010111002 in words is "one hundred two billion, ten million, one hundred eleven thousand, two".