900222120211 has 4 divisors (see below), whose sum is σ = 900454319632. Its totient is φ = 899989920792.

The previous prime is 900222120167. The next prime is 900222120221. The reversal of 900222120211 is 112021222009.

900222120211 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-900222120211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900222120221) 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, 116093895 + ... + 116101648.

It is an arithmetic number, because the mean of its divisors is an integer number (225113579908).

Almost surely, 2^900222120211 is an apocalyptic number.

900222120211 is a deficient number, since it is larger than the sum of its proper divisors (232199421).

900222120211 is a wasteful number, since it uses less digits than its factorization.

900222120211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232199420.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 900222120211 in words is "nine hundred billion, two hundred twenty-two million, one hundred twenty thousand, two hundred eleven".