9132210121 has 4 divisors (see below), whose sum is σ = 9326512512. Its totient is φ = 8937907732.

The previous prime is 9132210083. The next prime is 9132210133. The reversal of 9132210121 is 1210122319.

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: 1210122319 = 7 ⋅172874617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9132210121 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9132210092 and 9132210101.

It is not an unprimeable number, because it can be changed into a prime (9132210151) 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, 97151125 + ... + 97151218.

It is an arithmetic number, because the mean of its divisors is an integer number (2331628128).

Almost surely, 2^9132210121 is an apocalyptic number.

It is an amenable number.

9132210121 is a deficient number, since it is larger than the sum of its proper divisors (194302391).

9132210121 is a wasteful number, since it uses less digits than its factorization.

9132210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194302390.

The product of its (nonzero) digits is 216, while the sum is 22.

The square root of 9132210121 is about 95562.5979188511. The cubic root of 9132210121 is about 2090.2198376082.

The spelling of 9132210121 in words is "nine billion, one hundred thirty-two million, two hundred ten thousand, one hundred twenty-one".