121162217 has 4 divisors (see below), whose sum is σ = 132176976. Its totient is φ = 110147460.

The previous prime is 121162211. The next prime is 121162231. The reversal of 121162217 is 712261121.

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.

It is a cyclic number.

It is not a de Polignac number, because 121162217 - 2¹⁴ = 121145833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121162192 and 121162201.

It is not an unprimeable number, because it can be changed into a prime (121162211) 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, 5507363 + ... + 5507384.

It is an arithmetic number, because the mean of its divisors is an integer number (33044244).

Almost surely, 2^121162217 is an apocalyptic number.

It is an amenable number.

121162217 is a deficient number, since it is larger than the sum of its proper divisors (11014759).

121162217 is a wasteful number, since it uses less digits than its factorization.

121162217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11014758.

The product of its digits is 336, while the sum is 23.

The square root of 121162217 is about 11007.3710303596. The cubic root of 121162217 is about 494.8296757808.

The spelling of 121162217 in words is "one hundred twenty-one million, one hundred sixty-two thousand, two hundred seventeen".