222100101121 has 4 divisors (see below), whose sum is σ = 229264620544. Its totient is φ = 214935581700.

The previous prime is 222100101109. The next prime is 222100101143. The reversal of 222100101121 is 121101001222.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222100101121 - 2⁷ = 222100100993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222100105121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3582259665 + ... + 3582259726.

It is an arithmetic number, because the mean of its divisors is an integer number (57316155136).

Almost surely, 2^222100101121 is an apocalyptic number.

It is an amenable number.

222100101121 is a deficient number, since it is larger than the sum of its proper divisors (7164519423).

222100101121 is an equidigital number, since it uses as much as digits as its factorization.

222100101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7164519422.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 222100101121 its reverse (121101001222), we get a palindrome (343201102343).

The spelling of 222100101121 in words is "two hundred twenty-two billion, one hundred million, one hundred one thousand, one hundred twenty-one".