222102111012201 has 80 divisors (see below), whose sum is σ = 382957370611200. Its totient is φ = 125651191939200.

The previous prime is 222102111012181. The next prime is 222102111012203. The reversal of 222102111012201 is 102210111201222.

222102111012201 is a `hidden beast` number, since 2 + 221 + 0 + 211 + 10 + 1 + 220 + 1 = 666.

It is not a de Polignac number, because 222102111012201 - 2³⁷ = 221964672058729 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222102111012203) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 1007617200 + ... + 1007837598.

It is an arithmetic number, because the mean of its divisors is an integer number (4786967132640).

Almost surely, 2^{222102111012201} is an apocalyptic number.

222102111012201 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

222102111012201 is a deficient number, since it is larger than the sum of its proper divisors (160855259598999).

222102111012201 is a wasteful number, since it uses less digits than its factorization.

222102111012201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238116 (or 238107 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 222102111012201 its reverse (102210111201222), we get a palindrome (324312222213423).

The spelling of 222102111012201 in words is "two hundred twenty-two trillion, one hundred two billion, one hundred eleven million, twelve thousand, two hundred one".