20211012119 has 2 divisors, whose sum is σ = 20211012120. Its totient is φ = 20211012118.

The previous prime is 20211012109. The next prime is 20211012169. The reversal of 20211012119 is 91121011202.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20211012119 is a prime.

It is a super-2 number, since 2×20211012119² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 20211012119.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20211012109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10105506059 + 10105506060.

It is an arithmetic number, because the mean of its divisors is an integer number (10105506060).

Almost surely, 2^20211012119 is an apocalyptic number.

20211012119 is a deficient number, since it is larger than the sum of its proper divisors (1).

20211012119 is an equidigital number, since it uses as much as digits as its factorization.

20211012119 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 20211012119 in words is "twenty billion, two hundred eleven million, twelve thousand, one hundred nineteen".