211021202022 has 32 divisors (see below), whose sum is σ = 426092940000. Its totient is φ = 69668018688.

The previous prime is 211021202009. The next prime is 211021202027. The reversal of 211021202022 is 220202120112.

It is a junction number, because it is equal to n+sod(n) for n = 211021201992 and 211021202010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021202027) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26163 + ... + 650174.

It is an arithmetic number, because the mean of its divisors is an integer number (13315404375).

Almost surely, 2^211021202022 is an apocalyptic number.

211021202022 is an abundant number, since it is smaller than the sum of its proper divisors (215071737978).

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

211021202022 is a wasteful number, since it uses less digits than its factorization.

211021202022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 676840.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 211021202022 its reverse (220202120112), we get a palindrome (431223322134).

The spelling of 211021202022 in words is "two hundred eleven billion, twenty-one million, two hundred two thousand, twenty-two".