22123101012 has 96 divisors (see below), whose sum is σ = 52998624000. Its totient is φ = 7180723200.

The previous prime is 22123100999. The next prime is 22123101029. The reversal of 22123101012 is 21010132122.

It is a junction number, because it is equal to n+sod(n) for n = 22123100982 and 22123101000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29070712 + ... + 29071472.

It is an arithmetic number, because the mean of its divisors is an integer number (552069000).

Almost surely, 2^22123101012 is an apocalyptic number.

It is an amenable number.

22123101012 is an abundant number, since it is smaller than the sum of its proper divisors (30875522988).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22123101012 is a wasteful number, since it uses less digits than its factorization.

22123101012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1217 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 22123101012 its reverse (21010132122), we get a palindrome (43133233134).

The spelling of 22123101012 in words is "twenty-two billion, one hundred twenty-three million, one hundred one thousand, twelve".