211002011022222 has 96 divisors (see below), whose sum is σ = 523123249259520. Its totient is φ = 60212221326720.

The previous prime is 211002011022203. The next prime is 211002011022239. The reversal of 211002011022222 is 222220110200112.

It is a happy number.

211002011022222 is a `hidden beast` number, since 211 + 0 + 0 + 201 + 10 + 22 + 222 = 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 = 211002011022195 and 211002011022204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 847603423 + ... + 847852325.

It is an arithmetic number, because the mean of its divisors is an integer number (5449200513120).

Almost surely, 2^{211002011022222} is an apocalyptic number.

211002011022222 is an abundant number, since it is smaller than the sum of its proper divisors (312121238237298).

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

211002011022222 is a wasteful number, since it uses less digits than its factorization.

211002011022222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257158 (or 257155 counting only the distinct ones).

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

Adding to 211002011022222 its reverse (222220110200112), we get a palindrome (433222121222334).

The spelling of 211002011022222 in words is "two hundred eleven trillion, two billion, eleven million, twenty-two thousand, two hundred twenty-two".