1011120321131 has 4 divisors (see below), whose sum is σ = 1011660740064. Its totient is φ = 1010579902200.

The previous prime is 1011120321103. The next prime is 1011120321137. The reversal of 1011120321131 is 1311230211101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1011120321131 - 2¹⁸ = 1011120058987 is a prime.

It is a super-2 number, since 2×1011120321131² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011120321137) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270206660 + ... + 270210401.

It is an arithmetic number, because the mean of its divisors is an integer number (252915185016).

Almost surely, 2^{1011120321131} is an apocalyptic number.

1011120321131 is a deficient number, since it is larger than the sum of its proper divisors (540418933).

1011120321131 is an equidigital number, since it uses as much as digits as its factorization.

1011120321131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 540418932.

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

Adding to 1011120321131 its reverse (1311230211101), we get a palindrome (2322350532232).

The spelling of 1011120321131 in words is "one trillion, eleven billion, one hundred twenty million, three hundred twenty-one thousand, one hundred thirty-one".