20101112211110 has 16 divisors (see below), whose sum is σ = 41350859405856. Its totient is φ = 6891809900928.

The previous prime is 20101112211067. The next prime is 20101112211113. The reversal of 20101112211110 is 1111221110102.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20101112211113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 143579372867 + ... + 143579373006.

It is an arithmetic number, because the mean of its divisors is an integer number (2584428712866).

Almost surely, 2^{20101112211110} is an apocalyptic number.

20101112211110 is an abundant number, since it is smaller than the sum of its proper divisors (21249747194746).

20101112211110 is a wasteful number, since it uses less digits than its factorization.

20101112211110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287158745887.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 20101112211110 its reverse (1111221110102), we get a palindrome (21212333321212).

The spelling of 20101112211110 in words is "twenty trillion, one hundred one billion, one hundred twelve million, two hundred eleven thousand, one hundred ten".