102121214219 has 2 divisors, whose sum is σ = 102121214220. Its totient is φ = 102121214218.

The previous prime is 102121214207. The next prime is 102121214257. The reversal of 102121214219 is 912412121201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102121214219 - 2²⁰ = 102120165643 is a prime.

It is a super-2 number, since 2×102121214219² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102121214519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060607109 + 51060607110.

It is an arithmetic number, because the mean of its divisors is an integer number (51060607110).

Almost surely, 2^102121214219 is an apocalyptic number.

102121214219 is a deficient number, since it is larger than the sum of its proper divisors (1).

102121214219 is an equidigital number, since it uses as much as digits as its factorization.

102121214219 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 102121214219 in words is "one hundred two billion, one hundred twenty-one million, two hundred fourteen thousand, two hundred nineteen".