2111220122022 has 36 divisors (see below), whose sum is σ = 5027960874300. Its totient is φ = 639763672680.

The previous prime is 2111220122021. The next prime is 2111220122071. The reversal of 2111220122022 is 2202210221112.

It is a happy number.

2111220122022 is a `hidden beast` number, since 211 + 12 + 201 + 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 = 2111220121986 and 2111220122004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220122021) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 484667272 + ... + 484671627.

Almost surely, 2^{2111220122022} is an apocalyptic number.

2111220122022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2111220122022 is an abundant number, since it is smaller than the sum of its proper divisors (2916740752278).

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

2111220122022 is a wasteful number, since it uses less digits than its factorization.

2111220122022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 969338929 (or 969338915 counting only the distinct ones).

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

Adding to 2111220122022 its reverse (2202210221112), we get a palindrome (4313430343134).

The spelling of 2111220122022 in words is "two trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty-two thousand, twenty-two".