22110212122 has 32 divisors (see below), whose sum is σ = 34535160000. Its totient is φ = 10610358528.

The previous prime is 22110212071. The next prime is 22110212123. The reversal of 22110212122 is 22121201122.

It is a happy number.

It is a super-2 number, since 2×22110212122² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22110212096 and 22110212105.

It is not an unprimeable number, because it can be changed into a prime (22110212123) 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, 881004 + ... + 905752.

It is an arithmetic number, because the mean of its divisors is an integer number (1079223750).

Almost surely, 2^22110212122 is an apocalyptic number.

22110212122 is a deficient number, since it is larger than the sum of its proper divisors (12424947878).

22110212122 is a wasteful number, since it uses less digits than its factorization.

22110212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24990.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 22110212122 its reverse (22121201122), we get a palindrome (44231413244).

The spelling of 22110212122 in words is "twenty-two billion, one hundred ten million, two hundred twelve thousand, one hundred twenty-two".