101100051 has 12 divisors (see below), whose sum is σ = 157266928. Its totient is φ = 62215344.

The previous prime is 101100049. The next prime is 101100067. The reversal of 101100051 is 150001101.

It is not a de Polignac number, because 101100051 - 2¹ = 101100049 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (101100011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 431935 + ... + 432168.

Almost surely, 2^101100051 is an apocalyptic number.

101100051 is a deficient number, since it is larger than the sum of its proper divisors (56166877).

101100051 is a wasteful number, since it uses less digits than its factorization.

101100051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 864122 (or 864119 counting only the distinct ones).

The product of its (nonzero) digits is 5, while the sum is 9.

The square root of 101100051 is about 10054.8521122889. The cubic root of 101100051 is about 465.8546751003.

Adding to 101100051 its reverse (150001101), we get a palindrome (251101152).

The spelling of 101100051 in words is "one hundred one million, one hundred thousand, fifty-one".