222002121011021 has 16 divisors (see below), whose sum is σ = 246800718044160. Its totient is φ = 198307094002560.

The previous prime is 222002121010991. The next prime is 222002121011023. The reversal of 222002121011021 is 120110121200222.

It is a cyclic number.

It is not a de Polignac number, because 222002121011021 - 2³⁴ = 221984941141837 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222002121011023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391160 + ... + 21075038.

It is an arithmetic number, because the mean of its divisors is an integer number (15425044877760).

Almost surely, 2^{222002121011021} is an apocalyptic number.

It is an amenable number.

222002121011021 is a deficient number, since it is larger than the sum of its proper divisors (24798597033139).

222002121011021 is a wasteful number, since it uses less digits than its factorization.

222002121011021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20710556.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 222002121011021 its reverse (120110121200222), we get a palindrome (342112242211243).

The spelling of 222002121011021 in words is "two hundred twenty-two trillion, two billion, one hundred twenty-one million, eleven thousand, twenty-one".