1131021120131 has 8 divisors (see below), whose sum is σ = 1293827791200. Its totient is φ = 968522505408.

The previous prime is 1131021120083. The next prime is 1131021120133. The reversal of 1131021120131 is 1310211201311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1131021120131 - 2⁶ = 1131021120067 is a prime.

It is a super-2 number, since 2×1131021120131² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1131021120133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77006216 + ... + 77020901.

It is an arithmetic number, because the mean of its divisors is an integer number (161728473900).

Almost surely, 2^{1131021120131} is an apocalyptic number.

1131021120131 is a deficient number, since it is larger than the sum of its proper divisors (162806671069).

1131021120131 is a wasteful number, since it uses less digits than its factorization.

1131021120131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154028173.

The product of its (nonzero) digits is 36, while the sum is 17.

Adding to 1131021120131 its reverse (1310211201311), we get a palindrome (2441232321442).

The spelling of 1131021120131 in words is "one trillion, one hundred thirty-one billion, twenty-one million, one hundred twenty thousand, one hundred thirty-one".