102021119971 has 2 divisors, whose sum is σ = 102021119972. Its totient is φ = 102021119970.

The previous prime is 102021119929. The next prime is 102021120023. The reversal of 102021119971 is 179911120201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102021119971 - 2⁷ = 102021119843 is a prime.

It is not a weakly prime, because it can be changed into another prime (102021119911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51010559985 + 51010559986.

It is an arithmetic number, because the mean of its divisors is an integer number (51010559986).

Almost surely, 2^102021119971 is an apocalyptic number.

102021119971 is a deficient number, since it is larger than the sum of its proper divisors (1).

102021119971 is an equidigital number, since it uses as much as digits as its factorization.

102021119971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2268, while the sum is 34.

The spelling of 102021119971 in words is "one hundred two billion, twenty-one million, one hundred nineteen thousand, nine hundred seventy-one".