22120002011122 has 4 divisors (see below), whose sum is σ = 33180003016686. Its totient is φ = 11060001005560.

The previous prime is 22120002011089. The next prime is 22120002011143. The reversal of 22120002011122 is 22111020002122.

It is a happy number.

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., 18327397664601 + 3792604346521 = 4281051^2 + 1947461^2 .

It is a super-2 number, since 2×22120002011122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22120002011096 and 22120002011105.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5530000502779 + ... + 5530000502782.

Almost surely, 2^{22120002011122} is an apocalyptic number.

22120002011122 is a deficient number, since it is larger than the sum of its proper divisors (11060001005564).

22120002011122 is a wasteful number, since it uses less digits than its factorization.

22120002011122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11060001005563.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22120002011122 its reverse (22111020002122), we get a palindrome (44231022013244).

The spelling of 22120002011122 in words is "twenty-two trillion, one hundred twenty billion, two million, eleven thousand, one hundred twenty-two".