101121379 has 4 divisors (see below), whose sum is σ = 101163600. Its totient is φ = 101079160.

The previous prime is 101121367. The next prime is 101121413. The reversal of 101121379 is 973121101.

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

It is a cyclic number.

It is not a de Polignac number, because 101121379 - 2¹¹ = 101119331 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101121329) 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, 17287 + ... + 22384.

It is an arithmetic number, because the mean of its divisors is an integer number (25290900).

Almost surely, 2^101121379 is an apocalyptic number.

101121379 is a deficient number, since it is larger than the sum of its proper divisors (42221).

101121379 is an equidigital number, since it uses as much as digits as its factorization.

101121379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42220.

The product of its (nonzero) digits is 378, while the sum is 25.

The square root of 101121379 is about 10055.9126388409. The cubic root of 101121379 is about 465.8874315952.

The spelling of 101121379 in words is "one hundred one million, one hundred twenty-one thousand, three hundred seventy-nine".