101240084251 has 2 divisors, whose sum is σ = 101240084252. Its totient is φ = 101240084250.

The previous prime is 101240084219. The next prime is 101240084299. The reversal of 101240084251 is 152480042101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101240084251 - 2⁵ = 101240084219 is a prime.

It is not a weakly prime, because it can be changed into another prime (101240084051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50620042125 + 50620042126.

It is an arithmetic number, because the mean of its divisors is an integer number (50620042126).

Almost surely, 2^101240084251 is an apocalyptic number.

101240084251 is a deficient number, since it is larger than the sum of its proper divisors (1).

101240084251 is an equidigital number, since it uses as much as digits as its factorization.

101240084251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 101240084251 in words is "one hundred one billion, two hundred forty million, eighty-four thousand, two hundred fifty-one".