21011101133130 has 48 divisors (see below), whose sum is σ = 55899301629600. Its totient is φ = 5472658898784.

The previous prime is 21011101133107. The next prime is 21011101133147. The reversal of 21011101133130 is 3133110111012.

21011101133130 is a `hidden beast` number, since 210 + 1 + 110 + 11 + 331 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2714608680 + ... + 2714616419.

It is an arithmetic number, because the mean of its divisors is an integer number (1164568783950).

Almost surely, 2^{21011101133130} is an apocalyptic number.

21011101133130 is an abundant number, since it is smaller than the sum of its proper divisors (34888200496470).

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

21011101133130 is a wasteful number, since it uses less digits than its factorization.

21011101133130 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5429225155 (or 5429225152 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 18.

Adding to 21011101133130 its reverse (3133110111012), we get a palindrome (24144211244142).

The spelling of 21011101133130 in words is "twenty-one trillion, eleven billion, one hundred one million, one hundred thirty-three thousand, one hundred thirty".