20101120211130 has 64 divisors (see below), whose sum is σ = 57531653388288. Its totient is φ = 4394779076160.

The previous prime is 20101120211093. The next prime is 20101120211131. The reversal of 20101120211130 is 3111202110102.

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (20101120211131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2080856476 + ... + 2080866135.

It is an arithmetic number, because the mean of its divisors is an integer number (898932084192).

Almost surely, 2^{20101120211130} is an apocalyptic number.

20101120211130 is an abundant number, since it is smaller than the sum of its proper divisors (37430533177158).

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

20101120211130 is a wasteful number, since it uses less digits than its factorization.

20101120211130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161722651.

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

Adding to 20101120211130 its reverse (3111202110102), we get a palindrome (23212322321232).

The spelling of 20101120211130 in words is "twenty trillion, one hundred one billion, one hundred twenty million, two hundred eleven thousand, one hundred thirty".