20122411019 has 2 divisors, whose sum is σ = 20122411020. Its totient is φ = 20122411018.

The previous prime is 20122411003. The next prime is 20122411037. The reversal of 20122411019 is 91011422102.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 20122411019 - 2⁴ = 20122411003 is a prime.

It is a super-2 number, since 2×20122411019² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 20122410985 and 20122411003.

It is not a weakly prime, because it can be changed into another prime (20122411079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061205509 + 10061205510.

It is an arithmetic number, because the mean of its divisors is an integer number (10061205510).

Almost surely, 2^20122411019 is an apocalyptic number.

20122411019 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122411019 is an equidigital number, since it uses as much as digits as its factorization.

20122411019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 23.

The spelling of 20122411019 in words is "twenty billion, one hundred twenty-two million, four hundred eleven thousand, nineteen".