222121012101 has 32 divisors (see below), whose sum is σ = 307929807360. Its totient is φ = 142316697600.

The previous prime is 222121012093. The next prime is 222121012213. The reversal of 222121012101 is 101210121222.

It is not a de Polignac number, because 222121012101 - 2³ = 222121012093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222121019101) 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, 2929201 + ... + 3004073.

It is an arithmetic number, because the mean of its divisors is an integer number (9622806480).

Almost surely, 2^222121012101 is an apocalyptic number.

It is an amenable number.

222121012101 is a deficient number, since it is larger than the sum of its proper divisors (85808795259).

222121012101 is a wasteful number, since it uses less digits than its factorization.

222121012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75277.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 222121012101 its reverse (101210121222), we get a palindrome (323331133323).

The spelling of 222121012101 in words is "two hundred twenty-two billion, one hundred twenty-one million, twelve thousand, one hundred one".