110202202120121 has 16 divisors (see below), whose sum is σ = 117471934003200. Its totient is φ = 103079459562768.

The previous prime is 110202202120027. The next prime is 110202202120183. The reversal of 110202202120121 is 121021202202011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-110202202120121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 110202202120121.

It is not an unprimeable number, because it can be changed into a prime (110202202123121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 166982636 + ... + 167641298.

It is an arithmetic number, because the mean of its divisors is an integer number (7341995875200).

Almost surely, 2^{110202202120121} is an apocalyptic number.

It is an amenable number.

110202202120121 is a deficient number, since it is larger than the sum of its proper divisors (7269731883079).

110202202120121 is a wasteful number, since it uses less digits than its factorization.

110202202120121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770228.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 110202202120121 its reverse (121021202202011), we get a palindrome (231223404322132).

The spelling of 110202202120121 in words is "one hundred ten trillion, two hundred two billion, two hundred two million, one hundred twenty thousand, one hundred twenty-one".