222412222104021 has 24 divisors (see below), whose sum is σ = 321401910851840. Its totient is φ = 148210291696896.

The previous prime is 222412222103993. The next prime is 222412222104031. The reversal of 222412222104021 is 120401222214222.

222412222104021 is a `hidden beast` number, since 2 + 2 + 2 + 41 + 2 + 2 + 2 + 210 + 402 + 1 = 666.

It is not a de Polignac number, because 222412222104021 - 2⁵ = 222412222103989 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 (222412222104031) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 493095420 + ... + 493546266.

Almost surely, 2^{222412222104021} is an apocalyptic number.

It is an amenable number.

222412222104021 is a deficient number, since it is larger than the sum of its proper divisors (98989688747819).

222412222104021 is a wasteful number, since it uses less digits than its factorization.

222412222104021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474585 (or 474582 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 222412222104021 its reverse (120401222214222), we get a palindrome (342813444318243).

The spelling of 222412222104021 in words is "two hundred twenty-two trillion, four hundred twelve billion, two hundred twenty-two million, one hundred four thousand, twenty-one".