1110122121222 has 12 divisors (see below), whose sum is σ = 2405264596020. Its totient is φ = 370040707068.

The previous prime is 1110122121221. The next prime is 1110122121313. The reversal of 1110122121222 is 2221212210111.

It is a super-2 number, since 2×1110122121222² (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), and also a Moran number because the ratio is a prime number: 61673451179 = 1110122121222 / (1 + 1 + 1 + 0 + 1 + 2 + 2 + 1 + 2 + 1 + 2 + 2 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1110122121195 and 1110122121204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110122121221) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 30836725572 + ... + 30836725607.

It is an arithmetic number, because the mean of its divisors is an integer number (200438716335).

Almost surely, 2^{1110122121222} is an apocalyptic number.

1110122121222 is an abundant number, since it is smaller than the sum of its proper divisors (1295142474798).

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

1110122121222 is a wasteful number, since it uses less digits than its factorization.

1110122121222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61673451187 (or 61673451184 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 1110122121222 its reverse (2221212210111), we get a palindrome (3331334331333).

The spelling of 1110122121222 in words is "one trillion, one hundred ten billion, one hundred twenty-two million, one hundred twenty-one thousand, two hundred twenty-two".