2111210222022 has 128 divisors (see below), whose sum is σ = 5228191180800. Its totient is φ = 626003769600.

The previous prime is 2111210221927. The next prime is 2111210222027. The reversal of 2111210222022 is 2202220121112.

It is a happy number.

2111210222022 is a `hidden beast` number, since 211 + 1 + 210 + 2 + 220 + 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 = 2111210221986 and 2111210222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111210222027) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 216108354 + ... + 216118122.

It is an arithmetic number, because the mean of its divisors is an integer number (40845243600).

Almost surely, 2^{2111210222022} is an apocalyptic number.

2111210222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2111210222022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2614095590400).

2111210222022 is an abundant number, since it is smaller than the sum of its proper divisors (3116980958778).

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

2111210222022 is a wasteful number, since it uses less digits than its factorization.

2111210222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17579 (or 17573 counting only the distinct ones).

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

Adding to 2111210222022 its reverse (2202220121112), we get a palindrome (4313430343134).

The spelling of 2111210222022 in words is "two trillion, one hundred eleven billion, two hundred ten million, two hundred twenty-two thousand, twenty-two".