22110121010 has 48 divisors (see below), whose sum is σ = 41688102168. Its totient is φ = 8441245440.

The previous prime is 22110121003. The next prime is 22110121021. The reversal of 22110121010 is 1012101122.

It can be written as a sum of positive squares in 4 ways, for example, as 14177903041 + 7932217969 = 119071^2 + 89063^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22110120982 and 22110121000.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685772 + ... + 717288.

Almost surely, 2^22110121010 is an apocalyptic number.

22110121010 is a deficient number, since it is larger than the sum of its proper divisors (19577981158).

22110121010 is a wasteful number, since it uses less digits than its factorization.

22110121010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31659 (or 31628 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 22110121010 its reverse (1012101122), we get a palindrome (23122222132).

The spelling of 22110121010 in words is "twenty-two billion, one hundred ten million, one hundred twenty-one thousand, ten".