22012010122 has 4 divisors (see below), whose sum is σ = 33018015186. Its totient is φ = 11006005060.

The previous prime is 22012010113. The next prime is 22012010129. The reversal of 22012010122 is 22101021022.

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., 20842985641 + 1169024481 = 144371^2 + 34191^2 .

It is a super-2 number, since 2×22012010122² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22012010129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503002529 + ... + 5503002532.

Almost surely, 2^22012010122 is an apocalyptic number.

22012010122 is a deficient number, since it is larger than the sum of its proper divisors (11006005064).

22012010122 is a wasteful number, since it uses less digits than its factorization.

22012010122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11006005063.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 22012010122 its reverse (22101021022), we get a palindrome (44113031144).

The spelling of 22012010122 in words is "twenty-two billion, twelve million, ten thousand, one hundred twenty-two".