900021112212011 has 16 divisors (see below), whose sum is σ = 929435906125440. Its totient is φ = 871055929564800.

The previous prime is 900021112211989. The next prime is 900021112212023. The reversal of 900021112212011 is 110212211120009.

It is a happy number.

900021112212011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 900021112212011 - 2⁴² = 895623065700907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (900021112212041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 115161356 + ... + 122728073.

It is an arithmetic number, because the mean of its divisors is an integer number (58089744132840).

Almost surely, 2^{900021112212011} is an apocalyptic number.

900021112212011 is a deficient number, since it is larger than the sum of its proper divisors (29414793913429).

900021112212011 is a wasteful number, since it uses less digits than its factorization.

900021112212011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 237890374.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 900021112212011 in words is "nine hundred trillion, twenty-one billion, one hundred twelve million, two hundred twelve thousand, eleven".