900011010221 has 8 divisors (see below), whose sum is σ = 902705388000. Its totient is φ = 897320196432.

The previous prime is 900011010191. The next prime is 900011010281. The reversal of 900011010221 is 122010110009.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 900011010221 - 2¹⁴ = 900010993837 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 900011010221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900011010281) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 384755 + ... + 1395728.

It is an arithmetic number, because the mean of its divisors is an integer number (112838173500).

Almost surely, 2^900011010221 is an apocalyptic number.

It is an amenable number.

900011010221 is a deficient number, since it is larger than the sum of its proper divisors (2694377779).

900011010221 is a wasteful number, since it uses less digits than its factorization.

900011010221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781995.

The product of its (nonzero) digits is 36, while the sum is 17.

The spelling of 900011010221 in words is "nine hundred billion, eleven million, ten thousand, two hundred twenty-one".