1130321311021 has 16 divisors (see below), whose sum is σ = 1348184162304. Its totient is φ = 926569513584.

The previous prime is 1130321311019. The next prime is 1130321311193. The reversal of 1130321311021 is 1201131230311.

It is a cyclic number.

It is not a de Polignac number, because 1130321311021 - 2¹ = 1130321311019 is a prime.

It is a super-2 number, since 2×1130321311021² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1130321311021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130321311001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 398196 + ... + 1555378.

It is an arithmetic number, because the mean of its divisors is an integer number (84261510144).

Almost surely, 2^{1130321311021} is an apocalyptic number.

It is an amenable number.

1130321311021 is a deficient number, since it is larger than the sum of its proper divisors (217862851283).

1130321311021 is a wasteful number, since it uses less digits than its factorization.

1130321311021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163280.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 1130321311021 its reverse (1201131230311), we get a palindrome (2331452541332).

The spelling of 1130321311021 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, three hundred eleven thousand, twenty-one".