211002022021100 has 72 divisors (see below), whose sum is σ = 486017174816208. Its totient is φ = 79237960192000.

The previous prime is 211002022021067. The next prime is 211002022021127. The reversal of 211002022021100 is 1120220200112.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 154079942 + ... + 155443341.

It is an arithmetic number, because the mean of its divisors is an integer number (6750238539114).

Almost surely, 2^{211002022021100} is an apocalyptic number.

211002022021100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211002022021100 is an abundant number, since it is smaller than the sum of its proper divisors (275015152795108).

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

211002022021100 is a wasteful number, since it uses less digits than its factorization.

211002022021100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309523715 (or 309523708 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 211002022021100 its reverse (1120220200112), we get a palindrome (212122242221212).

The spelling of 211002022021100 in words is "two hundred eleven trillion, two billion, twenty-two million, twenty-one thousand, one hundred".