20102112212219 has 2 divisors, whose sum is σ = 20102112212220. Its totient is φ = 20102112212218.

The previous prime is 20102112212179. The next prime is 20102112212261. The reversal of 20102112212219 is 91221221120102.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20102112212219 is a prime.

It is a super-2 number, since 2×20102112212219² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (20102112212279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10051056106109 + 10051056106110.

It is an arithmetic number, because the mean of its divisors is an integer number (10051056106110).

Almost surely, 2^{20102112212219} is an apocalyptic number.

20102112212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

20102112212219 is an equidigital number, since it uses as much as digits as its factorization.

20102112212219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 26.

The spelling of 20102112212219 in words is "twenty trillion, one hundred two billion, one hundred twelve million, two hundred twelve thousand, two hundred nineteen".