22112102111001 has 16 divisors (see below), whose sum is σ = 33695885097984. Its totient is φ = 12635016929424.

The previous prime is 22112102110991. The next prime is 22112102111051. The reversal of 22112102111001 is 10011120121122.

It is a happy number.

It is not a de Polignac number, because 22112102111001 - 2²³ = 22112093722393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22112102111051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19004551 + ... + 20134476.

It is an arithmetic number, because the mean of its divisors is an integer number (2105992818624).

Almost surely, 2^{22112102111001} is an apocalyptic number.

22112102111001 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

22112102111001 is a deficient number, since it is larger than the sum of its proper divisors (11583782986983).

22112102111001 is a wasteful number, since it uses less digits than its factorization.

22112102111001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39165940.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 22112102111001 its reverse (10011120121122), we get a palindrome (32123222232123).

The spelling of 22112102111001 in words is "twenty-two trillion, one hundred twelve billion, one hundred two million, one hundred eleven thousand, one".