120222091 has 12 divisors (see below), whose sum is σ = 133520296. Its totient is φ = 108155520.

The previous prime is 120222077. The next prime is 120222107. The reversal of 120222091 is 190222021.

It is not a de Polignac number, because 120222091 - 2⁵ = 120222059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120222031) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6616 + ... + 16858.

Almost surely, 2^120222091 is an apocalyptic number.

120222091 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

120222091 is a deficient number, since it is larger than the sum of its proper divisors (13298205).

120222091 is a wasteful number, since it uses less digits than its factorization.

120222091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10362 (or 10351 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 19.

The square root of 120222091 is about 10964.5834850212. The cubic root of 120222091 is about 493.5465181725.

The spelling of 120222091 in words is "one hundred twenty million, two hundred twenty-two thousand, ninety-one".