22120222221122 has 4 divisors (see below), whose sum is σ = 33180333331686. Its totient is φ = 11060111110560.

The previous prime is 22120222221091. The next prime is 22120222221131. The reversal of 22120222221122 is 22112222202122.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 13590790991761 + 8529431229361 = 3686569^2 + 2920519^2 .

It is a super-2 number, since 2×22120222221122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530055555279 + ... + 5530055555282.

Almost surely, 2^{22120222221122} is an apocalyptic number.

22120222221122 is a deficient number, since it is larger than the sum of its proper divisors (11060111110564).

22120222221122 is a wasteful number, since it uses less digits than its factorization.

22120222221122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11060111110563.

The product of its (nonzero) digits is 1024, while the sum is 23.

Adding to 22120222221122 its reverse (22112222202122), we get a palindrome (44232444423244).

The spelling of 22120222221122 in words is "twenty-two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred twenty-two".