1100222122222 has 16 divisors (see below), whose sum is σ = 1747509437952. Its totient is φ = 517722599680.

The previous prime is 1100222122211. The next prime is 1100222122229. The reversal of 1100222122222 is 2222212220011.

It is a self number, because there is not a number n which added to its sum of digits gives 1100222122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100222122229) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283438 + ... + 1510225.

It is an arithmetic number, because the mean of its divisors is an integer number (109219339872).

Almost surely, 2^{1100222122222} is an apocalyptic number.

1100222122222 is a deficient number, since it is larger than the sum of its proper divisors (647287315730).

1100222122222 is a wasteful number, since it uses less digits than its factorization.

1100222122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1811723.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 1100222122222 its reverse (2222212220011), we get a palindrome (3322434342233).

The spelling of 1100222122222 in words is "one trillion, one hundred billion, two hundred twenty-two million, one hundred twenty-two thousand, two hundred twenty-two".