90221020122122 has 16 divisors (see below), whose sum is σ = 138563888239392. Its totient is φ = 44034346969200.

The previous prime is 90221020122083. The next prime is 90221020122151. The reversal of 90221020122122 is 22122102012209.

It is a junction number, because it is equal to n+sod(n) for n = 90221020122091 and 90221020122100.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322257629 + ... + 322537472.

It is an arithmetic number, because the mean of its divisors is an integer number (8660243014962).

Almost surely, 2^{90221020122122} is an apocalyptic number.

90221020122122 is a deficient number, since it is larger than the sum of its proper divisors (48342868117270).

90221020122122 is a wasteful number, since it uses less digits than its factorization.

90221020122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 644796773.

The product of its (nonzero) digits is 1152, while the sum is 26.

The spelling of 90221020122122 in words is "ninety trillion, two hundred twenty-one billion, twenty million, one hundred twenty-two thousand, one hundred twenty-two".