101406112172251 has 2 divisors, whose sum is σ = 101406112172252. Its totient is φ = 101406112172250.

The previous prime is 101406112172159. The next prime is 101406112172347. The reversal of 101406112172251 is 152271211604101.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101406112172251 is a prime.

It is not a weakly prime, because it can be changed into another prime (101406112172551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50703056086125 + 50703056086126.

It is an arithmetic number, because the mean of its divisors is an integer number (50703056086126).

Almost surely, 2^{101406112172251} is an apocalyptic number.

101406112172251 is a deficient number, since it is larger than the sum of its proper divisors (1).

101406112172251 is an equidigital number, since it uses as much as digits as its factorization.

101406112172251 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6720, while the sum is 34.

Adding to 101406112172251 its reverse (152271211604101), we get a palindrome (253677323776352).

The spelling of 101406112172251 in words is "one hundred one trillion, four hundred six billion, one hundred twelve million, one hundred seventy-two thousand, two hundred fifty-one".