101122321 has 4 divisors (see below), whose sum is σ = 101178352. Its totient is φ = 101066292.

The previous prime is 101122309. The next prime is 101122349. The reversal of 101122321 is 123221101.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 123221101 = 43 ⋅2865607.

It is a cyclic number.

It is not a de Polignac number, because 101122321 - 2⁵ = 101122289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122381) 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, 25215 + ... + 28948.

It is an arithmetic number, because the mean of its divisors is an integer number (25294588).

Almost surely, 2^101122321 is an apocalyptic number.

It is an amenable number.

101122321 is a deficient number, since it is larger than the sum of its proper divisors (56031).

101122321 is an equidigital number, since it uses as much as digits as its factorization.

101122321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56030.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 101122321 is about 10055.9594768475. The cubic root of 101122321 is about 465.8888782547. Note that the first 4 decimals are identical.

Adding to 101122321 its reverse (123221101), we get a palindrome (224343422).

It can be divided in two parts, 1011 and 22321, that added together give a palindrome (23332).

The spelling of 101122321 in words is "one hundred one million, one hundred twenty-two thousand, three hundred twenty-one".