1100123012222 has 32 divisors (see below), whose sum is σ = 1963469616192. Its totient is φ = 457104029184.

The previous prime is 1100123012179. The next prime is 1100123012297. The reversal of 1100123012222 is 2222103210011.

It is a super-2 number, since 2×1100123012222² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a self number, because there is not a number n which added to its sum of digits gives 1100123012222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54097793 + ... + 54118124.

It is an arithmetic number, because the mean of its divisors is an integer number (61358425506).

Almost surely, 2^{1100123012222} is an apocalyptic number.

1100123012222 is a deficient number, since it is larger than the sum of its proper divisors (863346603970).

1100123012222 is a wasteful number, since it uses less digits than its factorization.

1100123012222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108215972.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 1100123012222 its reverse (2222103210011), we get a palindrome (3322226222233).

The spelling of 1100123012222 in words is "one trillion, one hundred billion, one hundred twenty-three million, twelve thousand, two hundred twenty-two".