211122220001100 has 36 divisors (see below), whose sum is σ = 610846956537384. Its totient is φ = 56299258666880.

The previous prime is 211122220001093. The next prime is 211122220001111. The reversal of 211122220001100 is 1100022221112.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 211122220001100.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 351870366369 + ... + 351870366968.

Almost surely, 2^{211122220001100} is an apocalyptic number.

211122220001100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211122220001100 is an abundant number, since it is smaller than the sum of its proper divisors (399724736536284).

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

211122220001100 is a wasteful number, since it uses less digits than its factorization.

211122220001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 703740733354 (or 703740733347 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 211122220001100 its reverse (1100022221112), we get a palindrome (212222242222212).

The spelling of 211122220001100 in words is "two hundred eleven trillion, one hundred twenty-two billion, two hundred twenty million, one thousand, one hundred".