20101111110102 has 64 divisors (see below), whose sum is σ = 45043537100544. Its totient is φ = 5926453856640.

The previous prime is 20101111110083. The next prime is 20101111110107.

20101111110102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101111110107) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 110280013 + ... + 110462135.

It is an arithmetic number, because the mean of its divisors is an integer number (703805267196).

Almost surely, 2^{20101111110102} is an apocalyptic number.

20101111110102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20101111110102 is an abundant number, since it is smaller than the sum of its proper divisors (24942425990442).

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

20101111110102 is a wasteful number, since it uses less digits than its factorization.

20101111110102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 227373.

The product of its (nonzero) digits is 4, while the sum is 12.

It can be divided in two parts, 2010111 and 1110102, that multiplied together give a palindrome (2231428241322).

The spelling of 20101111110102 in words is "twenty trillion, one hundred one billion, one hundred eleven million, one hundred ten thousand, one hundred two".