20122011211139 has 2 divisors, whose sum is σ = 20122011211140. Its totient is φ = 20122011211138.

The previous prime is 20122011211091. The next prime is 20122011211147. The reversal of 20122011211139 is 93111211022102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20122011211139 - 2²⁴ = 20121994433923 is a prime.

It is not a weakly prime, because it can be changed into another prime (20122011214139) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061005605569 + 10061005605570.

It is an arithmetic number, because the mean of its divisors is an integer number (10061005605570).

Almost surely, 2^{20122011211139} is an apocalyptic number.

20122011211139 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122011211139 is an equidigital number, since it uses as much as digits as its factorization.

20122011211139 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 26.

The spelling of 20122011211139 in words is "twenty trillion, one hundred twenty-two billion, eleven million, two hundred eleven thousand, one hundred thirty-nine".