220121202202 has 64 divisors (see below), whose sum is σ = 374221762560. Its totient is φ = 96203318400.

The previous prime is 220121202193. The next prime is 220121202209. The reversal of 220121202202 is 202202121022.

It is not an unprimeable number, because it can be changed into a prime (220121202209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95828718 + ... + 95831014.

It is an arithmetic number, because the mean of its divisors is an integer number (5847215040).

Almost surely, 2^220121202202 is an apocalyptic number.

220121202202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

220121202202 is a deficient number, since it is larger than the sum of its proper divisors (154100560358).

220121202202 is a wasteful number, since it uses less digits than its factorization.

220121202202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 220121202202 its reverse (202202121022), we get a palindrome (422323323224).

The spelling of 220121202202 in words is "two hundred twenty billion, one hundred twenty-one million, two hundred two thousand, two hundred two".