22011101012 has 24 divisors (see below), whose sum is σ = 38841600000. Its totient is φ = 10913585760.

The previous prime is 22011100973. The next prime is 22011101017. The reversal of 22011101012 is 21010111022.

It is a junction number, because it is equal to n+sod(n) for n = 22011100984 and 22011101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22011101017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1164614 + ... + 1183362.

It is an arithmetic number, because the mean of its divisors is an integer number (1618400000).

Almost surely, 2^22011101012 is an apocalyptic number.

It is an amenable number.

22011101012 is a deficient number, since it is larger than the sum of its proper divisors (16830498988).

22011101012 is a wasteful number, since it uses less digits than its factorization.

22011101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21191 (or 21189 counting only the distinct ones).

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

Adding to 22011101012 its reverse (21010111022), we get a palindrome (43021212034).

It can be divided in two parts, 220111010 and 12, that added together give a palindrome (220111022).

The spelling of 22011101012 in words is "twenty-two billion, eleven million, one hundred one thousand, twelve".