20111100011102 has 32 divisors (see below), whose sum is σ = 32183875553760. Its totient is φ = 9392172098560.

The previous prime is 20111100011087. The next prime is 20111100011113. The reversal of 20111100011102 is 20111000111102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15061724 + ... + 16342512.

It is an arithmetic number, because the mean of its divisors is an integer number (1005746111055).

Almost surely, 2^{20111100011102} is an apocalyptic number.

20111100011102 is a deficient number, since it is larger than the sum of its proper divisors (12072775542658).

20111100011102 is a wasteful number, since it uses less digits than its factorization.

20111100011102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1284316.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 20111100011102 its reverse (20111000111102), we get a palindrome (40222100122204).

The spelling of 20111100011102 in words is "twenty trillion, one hundred eleven billion, one hundred million, eleven thousand, one hundred two".