220020202112122 has 4 divisors (see below), whose sum is σ = 330030303168186. Its totient is φ = 110010101056060.

The previous prime is 220020202112111. The next prime is 220020202112201. The reversal of 220020202112122 is 221211202020022.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 144388846148481 + 75631355963641 = 12016191^2 + 8696629^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 220020202112122.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005050528029 + ... + 55005050528032.

Almost surely, 2^{220020202112122} is an apocalyptic number.

220020202112122 is a deficient number, since it is larger than the sum of its proper divisors (110010101056064).

220020202112122 is a wasteful number, since it uses less digits than its factorization.

220020202112122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110010101056063.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 220020202112122 its reverse (221211202020022), we get a palindrome (441231404132144).

The spelling of 220020202112122 in words is "two hundred twenty trillion, twenty billion, two hundred two million, one hundred twelve thousand, one hundred twenty-two".