211021022022 has 32 divisors (see below), whose sum is σ = 423829231584. Its totient is φ = 70043097600.

The previous prime is 211021021997. The next prime is 211021022029. The reversal of 211021022022 is 220220120112.

211021022022 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 211021021992 and 211021022010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211021022029) 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, 1289358 + ... + 1443774.

It is an arithmetic number, because the mean of its divisors is an integer number (13244663487).

Almost surely, 2^211021022022 is an apocalyptic number.

211021022022 is an abundant number, since it is smaller than the sum of its proper divisors (212808209562).

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

211021022022 is a wasteful number, since it uses less digits than its factorization.

211021022022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155384.

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

Adding to 211021022022 its reverse (220220120112), we get a palindrome (431241142134).

The spelling of 211021022022 in words is "two hundred eleven billion, twenty-one million, twenty-two thousand, twenty-two".