101321121 has 8 divisors (see below), whose sum is σ = 147376224. Its totient is φ = 61406720.

The previous prime is 101321117. The next prime is 101321137. The reversal of 101321121 is 121123101.

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 101321121 - 2² = 101321117 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 101321097 and 101321106.

It is not an unprimeable number, because it can be changed into a prime (101321021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1535136 + ... + 1535201.

It is an arithmetic number, because the mean of its divisors is an integer number (18422028).

Almost surely, 2^101321121 is an apocalyptic number.

101321121 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

101321121 is a deficient number, since it is larger than the sum of its proper divisors (46055103).

101321121 is a wasteful number, since it uses less digits than its factorization.

101321121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3070351.

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

The square root of 101321121 is about 10065.8393092678. The cubic root of 101321121 is about 466.1939809598.

Adding to 101321121 its reverse (121123101), we get a palindrome (222444222).

The spelling of 101321121 in words is "one hundred one million, three hundred twenty-one thousand, one hundred twenty-one".