11131130101021 has 64 divisors (see below), whose sum is σ = 13621504320000. Its totient is φ = 9080396505600.

The previous prime is 11131130101019. The next prime is 11131130101051. The reversal of 11131130101021 is 12010103113111.

It is not a de Polignac number, because 11131130101021 - 2¹ = 11131130101019 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11131130100986 and 11131130101004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131130101001) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228030465 + ... + 228079273.

It is an arithmetic number, because the mean of its divisors is an integer number (212836005000).

Almost surely, 2^{11131130101021} is an apocalyptic number.

It is an amenable number.

11131130101021 is a deficient number, since it is larger than the sum of its proper divisors (2490374218979).

11131130101021 is a wasteful number, since it uses less digits than its factorization.

11131130101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49187 (or 49173 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 16.

Adding to 11131130101021 its reverse (12010103113111), we get a palindrome (23141233214132).

The spelling of 11131130101021 in words is "eleven trillion, one hundred thirty-one billion, one hundred thirty million, one hundred one thousand, twenty-one".