110000202120121 has 16 divisors (see below), whose sum is σ = 118964875011840. Its totient is φ = 101313239929600.

The previous prime is 110000202120113. The next prime is 110000202120139. The reversal of 110000202120121 is 121021202000011.

It is not a de Polignac number, because 110000202120121 - 2³ = 110000202120113 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (110000202120421) 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, 3285166 + ... + 15191863.

It is an arithmetic number, because the mean of its divisors is an integer number (7435304688240).

Almost surely, 2^{110000202120121} is an apocalyptic number.

It is an amenable number.

110000202120121 is a deficient number, since it is larger than the sum of its proper divisors (8964672891719).

110000202120121 is a wasteful number, since it uses less digits than its factorization.

110000202120121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18484544.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110000202120121 its reverse (121021202000011), we get a palindrome (231021404120132).

The spelling of 110000202120121 in words is "one hundred ten trillion, two hundred two million, one hundred twenty thousand, one hundred twenty-one".