900021010220111 has 8 divisors (see below), whose sum is σ = 969253785276000. Its totient is φ = 830788290829152.

The previous prime is 900021010220089. The next prime is 900021010220209. The reversal of 900021010220111 is 111022010120009.

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 900021010220111 - 2⁶ = 900021010220047 is a prime.

It is a super-2 number, since 2×900021010220111² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900021010220911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23363390 + ... + 48434388.

It is an arithmetic number, because the mean of its divisors is an integer number (121156723159500).

Almost surely, 2^{900021010220111} is an apocalyptic number.

900021010220111 is a deficient number, since it is larger than the sum of its proper divisors (69232775055889).

900021010220111 is a wasteful number, since it uses less digits than its factorization.

900021010220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27832465.

The product of its (nonzero) digits is 72, while the sum is 20.

The spelling of 900021010220111 in words is "nine hundred trillion, twenty-one billion, ten million, two hundred twenty thousand, one hundred eleven".