101320121 has 8 divisors (see below), whose sum is σ = 119529984. Its totient is φ = 84044160.

The previous prime is 101320111. The next prime is 101320127. The reversal of 101320121 is 121023101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 101320121 - 2²⁶ = 34211257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101320127) 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 7 ways as a sum of consecutive naturals, for example, 233240 + ... + 233673.

It is an arithmetic number, because the mean of its divisors is an integer number (14941248).

Almost surely, 2^101320121 is an apocalyptic number.

It is an amenable number.

101320121 is a deficient number, since it is larger than the sum of its proper divisors (18209863).

101320121 is an equidigital number, since it uses as much as digits as its factorization.

101320121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466951.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 101320121 is about 10065.7896361885. The cubic root of 101320121 is about 466.1924472371.

Adding to 101320121 its reverse (121023101), we get a palindrome (222343222).

The spelling of 101320121 in words is "one hundred one million, three hundred twenty thousand, one hundred twenty-one".