121202020100102 has 16 divisors (see below), whose sum is σ = 181871864460000. Its totient is φ = 60578065940160.

The previous prime is 121202020100081. The next prime is 121202020100167. The reversal of 121202020100102 is 201001020202121.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 521319599 + ... + 521552037.

It is an arithmetic number, because the mean of its divisors is an integer number (11366991528750).

Almost surely, 2^{121202020100102} is an apocalyptic number.

121202020100102 is a deficient number, since it is larger than the sum of its proper divisors (60669844359898).

121202020100102 is a wasteful number, since it uses less digits than its factorization.

121202020100102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330031.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121202020100102 its reverse (201001020202121), we get a palindrome (322203040302223).

The spelling of 121202020100102 in words is "one hundred twenty-one trillion, two hundred two billion, twenty million, one hundred thousand, one hundred two".