222101100012121 has 32 divisors (see below), whose sum is σ = 248106408612480. Its totient is φ = 197071675315200.

The previous prime is 222101100012119. The next prime is 222101100012137. The reversal of 222101100012121 is 121210001101222.

It is a cyclic number.

It is not a de Polignac number, because 222101100012121 - 2¹ = 222101100012119 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 222101100012095 and 222101100012104.

It is not an unprimeable number, because it can be changed into a prime (222101100012101) 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, 9672960081 + ... + 9672983041.

It is an arithmetic number, because the mean of its divisors is an integer number (7753325269140).

Almost surely, 2^{222101100012121} is an apocalyptic number.

It is an amenable number.

222101100012121 is a deficient number, since it is larger than the sum of its proper divisors (26005308600359).

222101100012121 is a wasteful number, since it uses less digits than its factorization.

222101100012121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36937.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 222101100012121 its reverse (121210001101222), we get a palindrome (343311101113343).

The spelling of 222101100012121 in words is "two hundred twenty-two trillion, one hundred one billion, one hundred million, twelve thousand, one hundred twenty-one".