222112021221201 has 32 divisors (see below), whose sum is σ = 304233677345920. Its totient is φ = 144034641593856.

The previous prime is 222112021221199. The next prime is 222112021221317. The reversal of 222112021221201 is 102122120211222.

It is not a de Polignac number, because 222112021221201 - 2¹ = 222112021221199 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222112021223201) 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, 10028978010 + ... + 10029000156.

It is an arithmetic number, because the mean of its divisors is an integer number (9507302417060).

Almost surely, 2^{222112021221201} is an apocalyptic number.

It is an amenable number.

222112021221201 is a deficient number, since it is larger than the sum of its proper divisors (82121656124719).

222112021221201 is a wasteful number, since it uses less digits than its factorization.

222112021221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41953.

The product of its (nonzero) digits is 256, while the sum is 21.

Adding to 222112021221201 its reverse (102122120211222), we get a palindrome (324234141432423).

It can be divided in two parts, 222112021 and 221201, that added together give a palindrome (222333222).

The spelling of 222112021221201 in words is "two hundred twenty-two trillion, one hundred twelve billion, twenty-one million, two hundred twenty-one thousand, two hundred one".