999990211201 has 16 divisors (see below), whose sum is σ = 1026883401984. Its totient is φ = 973264852224.

The previous prime is 999990211177. The next prime is 999990211267. The reversal of 999990211201 is 102112099999.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-999990211201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (999990211301) 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, 37703721 + ... + 37730233.

It is an arithmetic number, because the mean of its divisors is an integer number (64180212624).

Almost surely, 2^999990211201 is an apocalyptic number.

It is an amenable number.

999990211201 is a deficient number, since it is larger than the sum of its proper divisors (26893190783).

999990211201 is a wasteful number, since it uses less digits than its factorization.

999990211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29640.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 999990211201 in words is "nine hundred ninety-nine billion, nine hundred ninety million, two hundred eleven thousand, two hundred one".