220222000010121 has 16 divisors (see below), whose sum is σ = 310919447703744. Its totient is φ = 138170598418944.

The previous prime is 220222000010093. The next prime is 220222000010137. The reversal of 220222000010121 is 121010000222022.

It is not a de Polignac number, because 220222000010121 - 2⁷ = 220222000009993 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 220222000010121.

It is not an unprimeable number, because it can be changed into a prime (220222000010321) 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, 122715940 + ... + 124497573.

It is an arithmetic number, because the mean of its divisors is an integer number (19432465481484).

Almost surely, 2^{220222000010121} is an apocalyptic number.

It is an amenable number.

220222000010121 is a deficient number, since it is larger than the sum of its proper divisors (90697447693623).

220222000010121 is a wasteful number, since it uses less digits than its factorization.

220222000010121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247231000.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 220222000010121 its reverse (121010000222022), we get a palindrome (341232000232143).

The spelling of 220222000010121 in words is "two hundred twenty trillion, two hundred twenty-two billion, ten thousand, one hundred twenty-one".