1111002122222 has 32 divisors (see below), whose sum is σ = 1720148088960. Its totient is φ = 537876218880.

The previous prime is 1111002122207. The next prime is 1111002122227. The reversal of 1111002122222 is 2222212001111.

It is a self number, because there is not a number n which added to its sum of digits gives 1111002122222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111002122227) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26065304 + ... + 26107892.

It is an arithmetic number, because the mean of its divisors is an integer number (53754627780).

Almost surely, 2^{1111002122222} is an apocalyptic number.

1111002122222 is a deficient number, since it is larger than the sum of its proper divisors (609145966738).

1111002122222 is a wasteful number, since it uses less digits than its factorization.

1111002122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45596.

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

Adding to 1111002122222 its reverse (2222212001111), we get a palindrome (3333214123333).

It can be divided in two parts, 111100 and 2122222, that added together give a palindrome (2233322).

The spelling of 1111002122222 in words is "one trillion, one hundred eleven billion, two million, one hundred twenty-two thousand, two hundred twenty-two".