22111012010 has 16 divisors (see below), whose sum is σ = 41172229800. Its totient is φ = 8539425216.

The previous prime is 22111011977. The next prime is 22111012019. The reversal of 22111012010 is 1021011122.

It can be written as a sum of positive squares in 4 ways, for example, as 20084841841 + 2026170169 = 141721^2 + 45013^2 .

It is a junction number, because it is equal to n+sod(n) for n = 22111011982 and 22111012000.

It is not an unprimeable number, because it can be changed into a prime (22111012019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38122145 + ... + 38122724.

Almost surely, 2^22111012010 is an apocalyptic number.

22111012010 is a deficient number, since it is larger than the sum of its proper divisors (19061217790).

22111012010 is a wasteful number, since it uses less digits than its factorization.

22111012010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76244905.

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

Adding to 22111012010 its reverse (1021011122), we get a palindrome (23132023132).

The spelling of 22111012010 in words is "twenty-two billion, one hundred eleven million, twelve thousand, ten".