102102100210002 has 64 divisors (see below), whose sum is σ = 217679668272000. Its totient is φ = 31815247518720.

The previous prime is 102102100209899. The next prime is 102102100210021. The reversal of 102102100210002 is 200012001201201.

It is a super-3 number, since 3×102102100210002³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 102102100210002.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281604949 + ... + 281967287.

It is an arithmetic number, because the mean of its divisors is an integer number (3401244816750).

Almost surely, 2^{102102100210002} is an apocalyptic number.

102102100210002 is an abundant number, since it is smaller than the sum of its proper divisors (115577568061998).

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

102102100210002 is a wasteful number, since it uses less digits than its factorization.

102102100210002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381051.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 102102100210002 its reverse (200012001201201), we get a palindrome (302114101411203).

The spelling of 102102100210002 in words is "one hundred two trillion, one hundred two billion, one hundred million, two hundred ten thousand, two".