102102002120202 has 64 divisors (see below), whose sum is σ = 237151292335104. Its totient is φ = 28701163434240.

The previous prime is 102102002120179. The next prime is 102102002120219. The reversal of 102102002120202 is 202021200201201.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20087503 + ... + 24651810.

It is an arithmetic number, because the mean of its divisors is an integer number (3705488942736).

Almost surely, 2^{102102002120202} is an apocalyptic number.

102102002120202 is an abundant number, since it is smaller than the sum of its proper divisors (135049290214902).

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

102102002120202 is a wasteful number, since it uses less digits than its factorization.

102102002120202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44740203.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 102102002120202 its reverse (202021200201201), we get a palindrome (304123202321403).

The spelling of 102102002120202 in words is "one hundred two trillion, one hundred two billion, two million, one hundred twenty thousand, two hundred two".