121622331 has 8 divisors (see below), whose sum is σ = 167394304. Its totient is φ = 78465960.

The previous prime is 121622213. The next prime is 121622341. The reversal of 121622331 is 133226121.

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

It is not a de Polignac number, because 121622331 - 2¹⁰ = 121621307 is a prime.

It is a super-2 number, since 2×121622331² = 29583982795747122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121622298 and 121622307.

It is not an unprimeable number, because it can be changed into a prime (121622341) 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, 653791 + ... + 653976.

It is an arithmetic number, because the mean of its divisors is an integer number (20924288).

Almost surely, 2^121622331 is an apocalyptic number.

121622331 is a deficient number, since it is larger than the sum of its proper divisors (45771973).

121622331 is a wasteful number, since it uses less digits than its factorization.

121622331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1307801.

The product of its digits is 432, while the sum is 21.

The square root of 121622331 is about 11028.2514933239. The cubic root of 121622331 is about 495.4552571179.

Adding to 121622331 its reverse (133226121), we get a palindrome (254848452).

The spelling of 121622331 in words is "one hundred twenty-one million, six hundred twenty-two thousand, three hundred thirty-one".