211022220120100 has 36 divisors (see below), whose sum is σ = 482019176489200. Its totient is φ = 79966314992160.

The previous prime is 211022220120097. The next prime is 211022220120149. The reversal of 211022220120100 is 1021022220112.

It is a happy number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 55532161290 + ... + 55532165089.

Almost surely, 2^{211022220120100} is an apocalyptic number.

211022220120100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

211022220120100 is an abundant number, since it is smaller than the sum of its proper divisors (270996956369100).

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

211022220120100 is a wasteful number, since it uses less digits than its factorization.

211022220120100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111064326412 (or 111064326405 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 211022220120100 its reverse (1021022220112), we get a palindrome (212043242340212).

The spelling of 211022220120100 in words is "two hundred eleven trillion, twenty-two billion, two hundred twenty million, one hundred twenty thousand, one hundred".