101112451 has 4 divisors (see below), whose sum is σ = 110304504. Its totient is φ = 91920400.

The previous prime is 101112409. The next prime is 101112461. The reversal of 101112451 is 154211101.

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

It is not a de Polignac number, because 101112451 - 2¹⁷ = 100981379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101112461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4596010 + ... + 4596031.

It is an arithmetic number, because the mean of its divisors is an integer number (27576126).

Almost surely, 2^101112451 is an apocalyptic number.

101112451 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

101112451 is a deficient number, since it is larger than the sum of its proper divisors (9192053).

101112451 is an equidigital number, since it uses as much as digits as its factorization.

101112451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9192052.

The product of its (nonzero) digits is 40, while the sum is 16.

The square root of 101112451 is about 10055.4687111044. The cubic root of 101112451 is about 465.8737201346.

Adding to 101112451 its reverse (154211101), we get a palindrome (255323552).

The spelling of 101112451 in words is "one hundred one million, one hundred twelve thousand, four hundred fifty-one".