20122130311 has 2 divisors, whose sum is σ = 20122130312. Its totient is φ = 20122130310.

The previous prime is 20122130309. The next prime is 20122130383. The reversal of 20122130311 is 11303122102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122130311 - 2¹ = 20122130309 is a prime.

Together with 20122130309, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122130711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061065155 + 10061065156.

It is an arithmetic number, because the mean of its divisors is an integer number (10061065156).

Almost surely, 2^20122130311 is an apocalyptic number.

20122130311 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122130311 is an equidigital number, since it uses as much as digits as its factorization.

20122130311 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20122130311 its reverse (11303122102), we get a palindrome (31425252413).

The spelling of 20122130311 in words is "twenty billion, one hundred twenty-two million, one hundred thirty thousand, three hundred eleven".