221022102210220 has 48 divisors (see below), whose sum is σ = 468561198661920. Its totient is φ = 87568201132544.

The previous prime is 221022102210211. The next prime is 221022102210241. The reversal of 221022102210220 is 22012201220122.

221022102210220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4549482 + ... + 21511438.

It is an arithmetic number, because the mean of its divisors is an integer number (9761691638790).

Almost surely, 2^{221022102210220} is an apocalyptic number.

221022102210220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

221022102210220 is an abundant number, since it is smaller than the sum of its proper divisors (247539096451700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221022102210220 is a wasteful number, since it uses less digits than its factorization.

221022102210220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16968162 (or 16968160 counting only the distinct ones).

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

Adding to 221022102210220 its reverse (22012201220122), we get a palindrome (243034303430342).

The spelling of 221022102210220 in words is "two hundred twenty-one trillion, twenty-two billion, one hundred two million, two hundred ten thousand, two hundred twenty".