1100122212122 has 8 divisors (see below), whose sum is σ = 1650199344672. Its totient is φ = 550055763900.

The previous prime is 1100122212109. The next prime is 1100122212169. The reversal of 1100122212122 is 2212122210011.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1100122212122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2408504 + ... + 2828627.

It is an arithmetic number, because the mean of its divisors is an integer number (206274918084).

Almost surely, 2^{1100122212122} is an apocalyptic number.

1100122212122 is a deficient number, since it is larger than the sum of its proper divisors (550077132550).

1100122212122 is a wasteful number, since it uses less digits than its factorization.

1100122212122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5342164.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1100122212122 its reverse (2212122210011), we get a palindrome (3312244422133).

The spelling of 1100122212122 in words is "one trillion, one hundred billion, one hundred twenty-two million, two hundred twelve thousand, one hundred twenty-two".