20112101011000 has 64 divisors (see below), whose sum is σ = 47089476982080. Its totient is φ = 8040197564800.

The previous prime is 20112101010919. The next prime is 20112101011007. The reversal of 20112101011000 is 11010121102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112101011007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4069684 + ... + 7535683.

It is an arithmetic number, because the mean of its divisors is an integer number (735773077845).

Almost surely, 2^{20112101011000} is an apocalyptic number.

20112101011000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20112101011000 is an abundant number, since it is smaller than the sum of its proper divisors (26977375971080).

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

20112101011000 is a wasteful number, since it uses less digits than its factorization.

20112101011000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11607121 (or 11607107 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20112101011000 its reverse (11010121102), we get a palindrome (20123111132102).

The spelling of 20112101011000 in words is "twenty trillion, one hundred twelve billion, one hundred one million, eleven thousand".