990212210011 has 8 divisors (see below), whose sum is σ = 997700281200. Its totient is φ = 982729342560.

The previous prime is 990212209999. The next prime is 990212210041. The reversal of 990212210011 is 110012212099.

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 990212210011 - 2³³ = 981622275419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (990212210041) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 918496 + ... + 1680493.

It is an arithmetic number, because the mean of its divisors is an integer number (124712535150).

Almost surely, 2^990212210011 is an apocalyptic number.

990212210011 is a deficient number, since it is larger than the sum of its proper divisors (7488071189).

990212210011 is a wasteful number, since it uses less digits than its factorization.

990212210011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2601869.

The product of its (nonzero) digits is 648, while the sum is 28.

It can be divided in two parts, 99021 and 2210011, that added together give a palindrome (2309032).

The spelling of 990212210011 in words is "nine hundred ninety billion, two hundred twelve million, two hundred ten thousand, eleven".