20112211100130 has 32 divisors (see below), whose sum is σ = 49826381050368. Its totient is φ = 5190248025600.

The previous prime is 20112211100119. The next prime is 20112211100131. The reversal of 20112211100130 is 3100111221102.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (20112211100131) 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, 10813015791 + ... + 10813017650.

It is an arithmetic number, because the mean of its divisors is an integer number (1557074407824).

Almost surely, 2^{20112211100130} is an apocalyptic number.

20112211100130 is an abundant number, since it is smaller than the sum of its proper divisors (29714169950238).

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

20112211100130 is a wasteful number, since it uses less digits than its factorization.

20112211100130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21626033482.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 20112211100130 its reverse (3100111221102), we get a palindrome (23212322321232).

The spelling of 20112211100130 in words is "twenty trillion, one hundred twelve billion, two hundred eleven million, one hundred thousand, one hundred thirty".