222121101202 has 48 divisors (see below), whose sum is σ = 455337191232. Its totient is φ = 79883707680.

The previous prime is 222121101199. The next prime is 222121101221. The reversal of 222121101202 is 202101121222.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7910958 + ... + 7938985.

It is an arithmetic number, because the mean of its divisors is an integer number (9486191484).

Almost surely, 2^222121101202 is an apocalyptic number.

222121101202 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

222121101202 is an abundant number, since it is smaller than the sum of its proper divisors (233216090030).

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

222121101202 is a wasteful number, since it uses less digits than its factorization.

222121101202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15849983 (or 15849976 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222121101202 its reverse (202101121222), we get a palindrome (424222222424).

It can be divided in two parts, 222121 and 101202, that added together give a palindrome (323323).

The spelling of 222121101202 in words is "two hundred twenty-two billion, one hundred twenty-one million, one hundred one thousand, two hundred two".