102220125919 has 2 divisors, whose sum is σ = 102220125920. Its totient is φ = 102220125918.

The previous prime is 102220125869. The next prime is 102220125961. The reversal of 102220125919 is 919521022201.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102220125919 - 2⁹ = 102220125407 is a prime.

It is a super-2 number, since 2×102220125919² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102220825919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51110062959 + 51110062960.

It is an arithmetic number, because the mean of its divisors is an integer number (51110062960).

Almost surely, 2^102220125919 is an apocalyptic number.

102220125919 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220125919 is an equidigital number, since it uses as much as digits as its factorization.

102220125919 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6480, while the sum is 34.

The spelling of 102220125919 in words is "one hundred two billion, two hundred twenty million, one hundred twenty-five thousand, nine hundred nineteen".