1101122202222 has 120 divisors (see below), whose sum is σ = 2898578188440. Its totient is φ = 311491202400.

The previous prime is 1101122202163. The next prime is 1101122202241. The reversal of 1101122202222 is 2222022211011.

It is a happy number.

1101122202222 is a `hidden beast` number, since 110 + 112 + 220 + 2 + 222 = 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 = 1101122202195 and 1101122202204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 115029 + ... + 1488447.

It is an arithmetic number, because the mean of its divisors is an integer number (24154818237).

Almost surely, 2^{1101122202222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101122202222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1449289094220).

1101122202222 is an abundant number, since it is smaller than the sum of its proper divisors (1797455986218).

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

1101122202222 is a wasteful number, since it uses less digits than its factorization.

1101122202222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1373548 (or 1373532 counting only the distinct ones).

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

Adding to 1101122202222 its reverse (2222022211011), we get a palindrome (3323144413233).

The spelling of 1101122202222 in words is "one trillion, one hundred one billion, one hundred twenty-two million, two hundred two thousand, two hundred twenty-two".