921120022 has 16 divisors (see below), whose sum is σ = 1420675200. Its totient is φ = 447645760.

The previous prime is 921120017. The next prime is 921120023. The reversal of 921120022 is 220021129.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (921120023) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1179 + ... + 42937.

It is an arithmetic number, because the mean of its divisors is an integer number (88792200).

Almost surely, 2^921120022 is an apocalyptic number.

921120022 is a deficient number, since it is larger than the sum of its proper divisors (499555178).

921120022 is a wasteful number, since it uses less digits than its factorization.

921120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42071.

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

The square root of 921120022 is about 30349.9591762493. The cubic root of 921120022 is about 972.9833476424.

The spelling of 921120022 in words is "nine hundred twenty-one million, one hundred twenty thousand, twenty-two".