222020012122 has 8 divisors (see below), whose sum is σ = 333032022900. Its totient is φ = 111009337824.

The previous prime is 222020012119. The next prime is 222020012129. The reversal of 222020012122 is 221210020222.

It can be written as a sum of positive squares in 2 ways, for example, as 187394617881 + 34625394241 = 432891^2 + 186079^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 222020012096 and 222020012105.

It is not an unprimeable number, because it can be changed into a prime (222020012129) 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, 438654 + ... + 797782.

Almost surely, 2^222020012122 is an apocalyptic number.

222020012122 is a deficient number, since it is larger than the sum of its proper divisors (111012010778).

222020012122 is a wasteful number, since it uses less digits than its factorization.

222020012122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 668240.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 222020012122 its reverse (221210020222), we get a palindrome (443230032344).

It can be divided in two parts, 2220200 and 12122, that added together give a palindrome (2232322).

The spelling of 222020012122 in words is "two hundred twenty-two billion, twenty million, twelve thousand, one hundred twenty-two".