211022211102120 has 768 divisors, whose sum is σ = 775628678522880. Its totient is φ = 49717245726720.

The previous prime is 211022211102091. The next prime is 211022211102191. The reversal of 211022211102120 is 21201112220112.

211022211102120 is a `hidden beast` number, since 21 + 102 + 221 + 110 + 212 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 211022211102093 and 211022211102102.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 16611991689 + ... + 16612004391.

It is an arithmetic number, because the mean of its divisors is an integer number (1009933175160).

Almost surely, 2^{211022211102120} is an apocalyptic number.

211022211102120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211022211102120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (387814339261440).

211022211102120 is an abundant number, since it is smaller than the sum of its proper divisors (564606467420760).

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

211022211102120 is a wasteful number, since it uses less digits than its factorization.

211022211102120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13727 (or 13698 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 211022211102120 its reverse (21201112220112), we get a palindrome (232223323322232).

The spelling of 211022211102120 in words is "two hundred eleven trillion, twenty-two billion, two hundred eleven million, one hundred two thousand, one hundred twenty".