102101212219 has 2 divisors, whose sum is σ = 102101212220. Its totient is φ = 102101212218.

The previous prime is 102101212217. The next prime is 102101212261. The reversal of 102101212219 is 912212101201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102101212219 - 2¹ = 102101212217 is a prime.

It is a super-2 number, since 2×102101212219² (a number of 23 digits) contains 22 as substring.

Together with 102101212217, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 102101212219.

It is not a weakly prime, because it can be changed into another prime (102101212217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51050606109 + 51050606110.

It is an arithmetic number, because the mean of its divisors is an integer number (51050606110).

Almost surely, 2^102101212219 is an apocalyptic number.

102101212219 is a deficient number, since it is larger than the sum of its proper divisors (1).

102101212219 is an equidigital number, since it uses as much as digits as its factorization.

102101212219 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 22.

The spelling of 102101212219 in words is "one hundred two billion, one hundred one million, two hundred twelve thousand, two hundred nineteen".