101406112113251 has 4 divisors (see below), whose sum is σ = 110624849578104. Its totient is φ = 92187374648400.

The previous prime is 101406112113209. The next prime is 101406112113301. The reversal of 101406112113251 is 152311211604101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101406112113251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101406112112251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4609368732410 + ... + 4609368732431.

It is an arithmetic number, because the mean of its divisors is an integer number (27656212394526).

Almost surely, 2^{101406112113251} is an apocalyptic number.

101406112113251 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101406112113251 is a deficient number, since it is larger than the sum of its proper divisors (9218737464853).

101406112113251 is an equidigital number, since it uses as much as digits as its factorization.

101406112113251 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9218737464852.

The product of its (nonzero) digits is 1440, while the sum is 29.

Adding to 101406112113251 its reverse (152311211604101), we get a palindrome (253717323717352).

The spelling of 101406112113251 in words is "one hundred one trillion, four hundred six billion, one hundred twelve million, one hundred thirteen thousand, two hundred fifty-one".