222002100111021 has 8 divisors (see below), whose sum is σ = 296709250746720. Its totient is φ = 147648174774672.

The previous prime is 222002100111013. The next prime is 222002100111023. The reversal of 222002100111021 is 120111001200222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222002100111021 - 2³ = 222002100111013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002100111023) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88306323370 + ... + 88306325883.

It is an arithmetic number, because the mean of its divisors is an integer number (37088656343340).

Almost surely, 2^{222002100111021} is an apocalyptic number.

It is an amenable number.

222002100111021 is a deficient number, since it is larger than the sum of its proper divisors (74707150635699).

222002100111021 is a wasteful number, since it uses less digits than its factorization.

222002100111021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 176612649675.

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

Adding to 222002100111021 its reverse (120111001200222), we get a palindrome (342113101311243).

The spelling of 222002100111021 in words is "two hundred twenty-two trillion, two billion, one hundred million, one hundred eleven thousand, twenty-one".