211210202210022 has 96 divisors (see below), whose sum is σ = 490699768366080. Its totient is φ = 65419893077760.

The previous prime is 211210202210011. The next prime is 211210202210027. The reversal of 211210202210022 is 220012202012112.

It is a happy number.

211210202210022 is a `hidden beast` number, since 21 + 1 + 210 + 202 + 210 + 0 + 22 = 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 = 211210202209977 and 211210202210004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210202210027) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 491073247 + ... + 491503157.

It is an arithmetic number, because the mean of its divisors is an integer number (5111455920480).

Almost surely, 2^{211210202210022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 211210202210022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (245349884183040).

211210202210022 is an abundant number, since it is smaller than the sum of its proper divisors (279489566156058).

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

211210202210022 is a wasteful number, since it uses less digits than its factorization.

211210202210022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450338 (or 450335 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 211210202210022 its reverse (220012202012112), we get a palindrome (431222404222134).

The spelling of 211210202210022 in words is "two hundred eleven trillion, two hundred ten billion, two hundred two million, two hundred ten thousand, twenty-two".