121102020210202 has 16 divisors (see below), whose sum is σ = 182133635631840. Its totient is φ = 60390846928368.

The previous prime is 121102020210181. The next prime is 121102020210217. The reversal of 121102020210202 is 202012020201121.

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, 3366552 + ... + 15922867.

It is an arithmetic number, because the mean of its divisors is an integer number (11383352226990).

Almost surely, 2^{121102020210202} is an apocalyptic number.

121102020210202 is a deficient number, since it is larger than the sum of its proper divisors (61031615421638).

121102020210202 is a wasteful number, since it uses less digits than its factorization.

121102020210202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19297725.

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

Adding to 121102020210202 its reverse (202012020201121), we get a palindrome (323114040411323).

The spelling of 121102020210202 in words is "one hundred twenty-one trillion, one hundred two billion, twenty million, two hundred ten thousand, two hundred two".