222000012122021 has 8 divisors (see below), whose sum is σ = 253715427453120. Its totient is φ = 190284878762208.

The previous prime is 222000012122017. The next prime is 222000012122039. The reversal of 222000012122021 is 120221210000222.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 222000012122021 - 2² = 222000012122017 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 (222000012122011) 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, 68803016 + ... + 71957313.

It is an arithmetic number, because the mean of its divisors is an integer number (31714428431640).

Almost surely, 2^{222000012122021} is an apocalyptic number.

It is an amenable number.

222000012122021 is a deficient number, since it is larger than the sum of its proper divisors (31715415331099).

222000012122021 is a wasteful number, since it uses less digits than its factorization.

222000012122021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140985643.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 222000012122021 its reverse (120221210000222), we get a palindrome (342221222122243).

The spelling of 222000012122021 in words is "two hundred twenty-two trillion, twelve million, one hundred twenty-two thousand, twenty-one".