22111000111002 has 32 divisors (see below), whose sum is σ = 48669104041920. Its totient is φ = 6641008344320.

The previous prime is 22111000110977. The next prime is 22111000111009. The reversal of 22111000111002 is 20011100011122.

It is not an unprimeable number, because it can be changed into a prime (22111000111009) 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, 1482360477 + ... + 1482375392.

It is an arithmetic number, because the mean of its divisors is an integer number (1520909501310).

Almost surely, 2^{22111000111002} is an apocalyptic number.

22111000111002 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

22111000111002 is an abundant number, since it is smaller than the sum of its proper divisors (26558103930918).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22111000111002 is a wasteful number, since it uses less digits than its factorization.

22111000111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2964735998.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 22111000111002 its reverse (20011100011122), we get a palindrome (42122100122124).

The spelling of 22111000111002 in words is "twenty-two trillion, one hundred eleven billion, one hundred eleven thousand, two".