220121220111202 has 16 divisors (see below), whose sum is σ = 336251726481600. Its totient is φ = 108042573440880.

The previous prime is 220121220111109. The next prime is 220121220111269. The reversal of 220121220111202 is 202111022121022.

220121220111202 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 220121220111202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1315455174 + ... + 1315622497.

It is an arithmetic number, because the mean of its divisors is an integer number (21015732905100).

Almost surely, 2^{220121220111202} is an apocalyptic number.

220121220111202 is a deficient number, since it is larger than the sum of its proper divisors (116130506370398).

220121220111202 is a wasteful number, since it uses less digits than its factorization.

220121220111202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2631078441.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 220121220111202 its reverse (202111022121022), we get a palindrome (422232242232224).

The spelling of 220121220111202 in words is "two hundred twenty trillion, one hundred twenty-one billion, two hundred twenty million, one hundred eleven thousand, two hundred two".