1111211102222 has 32 divisors (see below), whose sum is σ = 1807354321920. Its totient is φ = 509348008800.

The previous prime is 1111211102179. The next prime is 1111211102231. The reversal of 1111211102222 is 2222011121111.

It is a super-2 number, since 2×1111211102222² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1111211102222.

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, 17490029 + ... + 17553447.

It is an arithmetic number, because the mean of its divisors is an integer number (56479822560).

Almost surely, 2^{1111211102222} is an apocalyptic number.

1111211102222 is a deficient number, since it is larger than the sum of its proper divisors (696143219698).

1111211102222 is a wasteful number, since it uses less digits than its factorization.

1111211102222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68048.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 1111211102222 its reverse (2222011121111), we get a palindrome (3333222223333).

The spelling of 1111211102222 in words is "one trillion, one hundred eleven billion, two hundred eleven million, one hundred two thousand, two hundred twenty-two".