102121120202002 has 16 divisors (see below), whose sum is σ = 167176425997152. Its totient is φ = 46399485891520.

The previous prime is 102121120201927. The next prime is 102121120202027. The reversal of 102121120202002 is 200202021121201.

It is a happy number.

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, 960201088 + ... + 960307435.

It is an arithmetic number, because the mean of its divisors is an integer number (10448526624822).

Almost surely, 2^{102121120202002} is an apocalyptic number.

102121120202002 is a deficient number, since it is larger than the sum of its proper divisors (65055305795150).

102121120202002 is a wasteful number, since it uses less digits than its factorization.

102121120202002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1920510953.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102121120202002 its reverse (200202021121201), we get a palindrome (302323141323203).

The spelling of 102121120202002 in words is "one hundred two trillion, one hundred twenty-one billion, one hundred twenty million, two hundred two thousand, two".