130321021111 has 2 divisors, whose sum is σ = 130321021112. Its totient is φ = 130321021110.

The previous prime is 130321021079. The next prime is 130321021133. The reversal of 130321021111 is 111120123031.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 130321021111 - 2⁵ = 130321021079 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (130321021151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65160510555 + 65160510556.

It is an arithmetic number, because the mean of its divisors is an integer number (65160510556).

Almost surely, 2^130321021111 is an apocalyptic number.

130321021111 is a deficient number, since it is larger than the sum of its proper divisors (1).

130321021111 is an equidigital number, since it uses as much as digits as its factorization.

130321021111 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 130321021111 its reverse (111120123031), we get a palindrome (241441144142).

The spelling of 130321021111 in words is "one hundred thirty billion, three hundred twenty-one million, twenty-one thousand, one hundred eleven".