22100120012 has 12 divisors (see below), whose sum is σ = 38676326640. Its totient is φ = 11049740976.

The previous prime is 22100119981. The next prime is 22100120023. The reversal of 22100120012 is 21002100122.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 22100119975 and 22100120002.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 149018 + ... + 257694.

It is an arithmetic number, because the mean of its divisors is an integer number (3223027220).

Almost surely, 2^22100120012 is an apocalyptic number.

It is an amenable number.

22100120012 is a deficient number, since it is larger than the sum of its proper divisors (16576206628).

22100120012 is a wasteful number, since it uses less digits than its factorization.

22100120012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159520 (or 159518 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 22100120012 its reverse (21002100122), we get a palindrome (43102220134).

The spelling of 22100120012 in words is "twenty-two billion, one hundred million, one hundred twenty thousand, twelve".