20111012101110 has 96 divisors (see below), whose sum is σ = 59449407274080. Its totient is φ = 4326402597888.

The previous prime is 20111012101099. The next prime is 20111012101139. The reversal of 20111012101110 is 1110121011102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 402356205 + ... + 402406184.

It is an arithmetic number, because the mean of its divisors is an integer number (619264659105).

Almost surely, 2^{20111012101110} is an apocalyptic number.

20111012101110 is an abundant number, since it is smaller than the sum of its proper divisors (39338395172970).

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

20111012101110 is a wasteful number, since it uses less digits than its factorization.

20111012101110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 804762430 (or 804762423 counting only the distinct ones).

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

Adding to 20111012101110 its reverse (1110121011102), we get a palindrome (21221133112212).

The spelling of 20111012101110 in words is "twenty trillion, one hundred eleven billion, twelve million, one hundred one thousand, one hundred ten".