20110021101120 has 56 divisors (see below), whose sum is σ = 63849316999104. Its totient is φ = 5362672293376.

The previous prime is 20110021101109. The next prime is 20110021101139. The reversal of 20110021101120 is 2110112001102.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 20110021101096 and 20110021101105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10473968364 + ... + 10473970283.

It is an arithmetic number, because the mean of its divisors is an integer number (1140166374984).

Almost surely, 2^{20110021101120} is an apocalyptic number.

20110021101120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110021101120 is an abundant number, since it is smaller than the sum of its proper divisors (43739295897984).

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

20110021101120 is a wasteful number, since it uses less digits than its factorization.

20110021101120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20947938667 (or 20947938657 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 20110021101120 its reverse (2110112001102), we get a palindrome (22220133102222).

The spelling of 20110021101120 in words is "twenty trillion, one hundred ten billion, twenty-one million, one hundred one thousand, one hundred twenty".