211121321101984 has 48 divisors (see below), whose sum is σ = 424129193772480. Its totient is φ = 103425123110400.

The previous prime is 211121321101937. The next prime is 211121321102033. The reversal of 211121321101984 is 489101123121112.

It is a super-2 number, since 2×211121321101984² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298909774 + ... + 299615245.

It is an arithmetic number, because the mean of its divisors is an integer number (8836024870260).

Almost surely, 2^{211121321101984} is an apocalyptic number.

It is an amenable number.

211121321101984 is an abundant number, since it is smaller than the sum of its proper divisors (213007872670496).

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

211121321101984 is a wasteful number, since it uses less digits than its factorization.

211121321101984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 598525253 (or 598525245 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 37.

The spelling of 211121321101984 in words is "two hundred eleven trillion, one hundred twenty-one billion, three hundred twenty-one million, one hundred one thousand, nine hundred eighty-four".