20111001100102 has 24 divisors (see below), whose sum is σ = 33160595359248. Its totient is φ = 9140709502320.

The previous prime is 20111001100067. The next prime is 20111001100111. The reversal of 20111001100102 is 20100110011102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 418663 + ... + 6355885.

It is an arithmetic number, because the mean of its divisors is an integer number (1381691473302).

Almost surely, 2^{20111001100102} is an apocalyptic number.

20111001100102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111001100102 is a deficient number, since it is larger than the sum of its proper divisors (13049594259146).

20111001100102 is a wasteful number, since it uses less digits than its factorization.

20111001100102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5951244 (or 5951233 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20111001100102 its reverse (20100110011102), we get a palindrome (40211111111204).

The spelling of 20111001100102 in words is "twenty trillion, one hundred eleven billion, one million, one hundred thousand, one hundred two".