900210120022 has 4 divisors (see below), whose sum is σ = 1350315180036. Its totient is φ = 450105060010.

The previous prime is 900210119951. The next prime is 900210120059. The reversal of 900210120022 is 220021012009.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 225052530004 + ... + 225052530007.

It is an arithmetic number, because the mean of its divisors is an integer number (337578795009).

Almost surely, 2^900210120022 is an apocalyptic number.

900210120022 is a deficient number, since it is larger than the sum of its proper divisors (450105060014).

900210120022 is a wasteful number, since it uses less digits than its factorization.

900210120022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450105060013.

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

The spelling of 900210120022 in words is "nine hundred billion, two hundred ten million, one hundred twenty thousand, twenty-two".