211202200020988 has 48 divisors (see below), whose sum is σ = 426925563170400. Its totient is φ = 90353148180480.

The previous prime is 211202200020967. The next prime is 211202200020989. The reversal of 211202200020988 is 889020002202112.

It is a super-2 number, since 2×211202200020988² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211202200020989) 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 15 ways as a sum of consecutive naturals, for example, 96523858 + ... + 98687686.

It is an arithmetic number, because the mean of its divisors is an integer number (8894282566050).

Almost surely, 2^{211202200020988} is an apocalyptic number.

It is an amenable number.

211202200020988 is an abundant number, since it is smaller than the sum of its proper divisors (215723363149412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

211202200020988 is a wasteful number, since it uses less digits than its factorization.

211202200020988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2294350 (or 2294348 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 37.

The spelling of 211202200020988 in words is "two hundred eleven trillion, two hundred two billion, two hundred million, twenty thousand, nine hundred eighty-eight".