20330212112131 has 2 divisors, whose sum is σ = 20330212112132. Its totient is φ = 20330212112130.

The previous prime is 20330212112087. The next prime is 20330212112209. The reversal of 20330212112131 is 13121121203302.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20330212112131 - 2¹⁵ = 20330212079363 is a prime.

It is a super-2 number, since 2×20330212112131² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20330212115131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165106056065 + 10165106056066.

It is an arithmetic number, because the mean of its divisors is an integer number (10165106056066).

Almost surely, 2^{20330212112131} is an apocalyptic number.

20330212112131 is a deficient number, since it is larger than the sum of its proper divisors (1).

20330212112131 is an equidigital number, since it uses as much as digits as its factorization.

20330212112131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 20330212112131 its reverse (13121121203302), we get a palindrome (33451333315433).

The spelling of 20330212112131 in words is "twenty trillion, three hundred thirty billion, two hundred twelve million, one hundred twelve thousand, one hundred thirty-one".