101200100251 has 2 divisors, whose sum is σ = 101200100252. Its totient is φ = 101200100250.

The previous prime is 101200100249. The next prime is 101200100369. The reversal of 101200100251 is 152001002101.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 101200100251 - 2¹ = 101200100249 is a prime.

Together with 101200100249, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (101200100201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600050125 + 50600050126.

It is an arithmetic number, because the mean of its divisors is an integer number (50600050126).

Almost surely, 2^101200100251 is an apocalyptic number.

101200100251 is a deficient number, since it is larger than the sum of its proper divisors (1).

101200100251 is an equidigital number, since it uses as much as digits as its factorization.

101200100251 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20, while the sum is 13.

Adding to 101200100251 its reverse (152001002101), we get a palindrome (253201102352).

The spelling of 101200100251 in words is "one hundred one billion, two hundred million, one hundred thousand, two hundred fifty-one".