22101311012 has 24 divisors (see below), whose sum is σ = 42407608320. Its totient is φ = 9995051360.

The previous prime is 22101311009. The next prime is 22101311051. The reversal of 22101311012 is 21011310122.

It is an unprimeable number.

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, 1266212 + ... + 1283547.

It is an arithmetic number, because the mean of its divisors is an integer number (1766983680).

Almost surely, 2^22101311012 is an apocalyptic number.

22101311012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

22101311012 is a deficient number, since it is larger than the sum of its proper divisors (20306297308).

22101311012 is a wasteful number, since it uses less digits than its factorization.

22101311012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2549971 (or 2549969 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 22101311012 its reverse (21011310122), we get a palindrome (43112621134).

The spelling of 22101311012 in words is "twenty-two billion, one hundred one million, three hundred eleven thousand, twelve".