1130321102421 has 32 divisors (see below), whose sum is σ = 1833259696128. Its totient is φ = 604721007360.

The previous prime is 1130321102401. The next prime is 1130321102429. The reversal of 1130321102421 is 1242011230311.

It is not a de Polignac number, because 1130321102421 - 2¹⁵ = 1130321069653 is a prime.

It is a super-2 number, since 2×1130321102421² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1130321102429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8220205 + ... + 8356578.

It is an arithmetic number, because the mean of its divisors is an integer number (57289365504).

Almost surely, 2^{1130321102421} is an apocalyptic number.

It is an amenable number.

1130321102421 is a deficient number, since it is larger than the sum of its proper divisors (702938593707).

1130321102421 is a wasteful number, since it uses less digits than its factorization.

1130321102421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16577001.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 1130321102421 its reverse (1242011230311), we get a palindrome (2372332332732).

The spelling of 1130321102421 in words is "one trillion, one hundred thirty billion, three hundred twenty-one million, one hundred two thousand, four hundred twenty-one".