2210111222022 has 64 divisors (see below), whose sum is σ = 5425666329600. Its totient is φ = 661253055840.

The previous prime is 2210111221919. The next prime is 2210111222029. The reversal of 2210111222022 is 2202221110122.

It is a happy number.

It is a super-2 number, since 2×2210111222022² (a number of 25 digits) contains 22 as substring.

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 = 2210111221986 and 2210111222004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2210111222029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 23501973 + ... + 23595824.

It is an arithmetic number, because the mean of its divisors is an integer number (84776036400).

Almost surely, 2^{2210111222022} is an apocalyptic number.

2210111222022 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2210111222022 is an abundant number, since it is smaller than the sum of its proper divisors (3215555107578).

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

2210111222022 is a wasteful number, since it uses less digits than its factorization.

2210111222022 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47097898 (or 47097892 counting only the distinct ones).

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

Adding to 2210111222022 its reverse (2202221110122), we get a palindrome (4412332332144).

The spelling of 2210111222022 in words is "two trillion, two hundred ten billion, one hundred eleven million, two hundred twenty-two thousand, twenty-two".