20112021103130 has 64 divisors (see below), whose sum is σ = 41865639056640. Its totient is φ = 6875053900800.

The previous prime is 20112021103103. The next prime is 20112021103189. The reversal of 20112021103130 is 3130112021102.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20112021103099 and 20112021103108.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4840541 + ... + 7978400.

It is an arithmetic number, because the mean of its divisors is an integer number (654150610260).

Almost surely, 2^{20112021103130} is an apocalyptic number.

20112021103130 is an abundant number, since it is smaller than the sum of its proper divisors (21753617953510).

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

20112021103130 is a wasteful number, since it uses less digits than its factorization.

20112021103130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12819815.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 20112021103130 its reverse (3130112021102), we get a palindrome (23242133124232).

The spelling of 20112021103130 in words is "twenty trillion, one hundred twelve billion, twenty-one million, one hundred three thousand, one hundred thirty".