20110221100112 has 40 divisors (see below), whose sum is σ = 45775363418400. Its totient is φ = 8437855006080.

The previous prime is 20110221100097. The next prime is 20110221100127. The reversal of 20110221100112 is 21100112201102.

It is an interprime number because it is at equal distance from previous prime (20110221100097) and next prime (20110221100127).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4394713862 + ... + 4394718437.

It is an arithmetic number, because the mean of its divisors is an integer number (1144384085460).

Almost surely, 2^{20110221100112} is an apocalyptic number.

20110221100112 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

20110221100112 is an abundant number, since it is smaller than the sum of its proper divisors (25665142318288).

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

20110221100112 is a wasteful number, since it uses less digits than its factorization.

20110221100112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8789432331 (or 8789432325 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20110221100112 its reverse (21100112201102), we get a palindrome (41210333301214).

It can be divided in two parts, 201102 and 21100112, that multiplied together give a palindrome (4243274723424).

The spelling of 20110221100112 in words is "twenty trillion, one hundred ten billion, two hundred twenty-one million, one hundred thousand, one hundred twelve".