121120010200221 has 16 divisors (see below), whose sum is σ = 170330955056640. Its totient is φ = 76344767319600.

The previous prime is 121120010200177. The next prime is 121120010200229. The reversal of 121120010200221 is 122002010021121.

It is not a de Polignac number, because 121120010200221 - 2³³ = 121111420265629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121120010200221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121120010200229) 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, 2112210355 + ... + 2112267696.

It is an arithmetic number, because the mean of its divisors is an integer number (10645684691040).

Almost surely, 2^{121120010200221} is an apocalyptic number.

It is an amenable number.

121120010200221 is a deficient number, since it is larger than the sum of its proper divisors (49210944856419).

121120010200221 is a wasteful number, since it uses less digits than its factorization.

121120010200221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224478576.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 121120010200221 its reverse (122002010021121), we get a palindrome (243122020221342).

The spelling of 121120010200221 in words is "one hundred twenty-one trillion, one hundred twenty billion, ten million, two hundred thousand, two hundred twenty-one".