1111100100222 has 32 divisors (see below), whose sum is σ = 2539958982912. Its totient is φ = 317419470144.

The previous prime is 1111100100197. The next prime is 1111100100223. The reversal of 1111100100222 is 2220010011111.

It is a junction number, because it is equal to n+sod(n) for n = 1111100100198 and 1111100100207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111100100223) 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, 1212063 + ... + 1921274.

It is an arithmetic number, because the mean of its divisors is an integer number (79373718216).

Almost surely, 2^{1111100100222} is an apocalyptic number.

1111100100222 is an abundant number, since it is smaller than the sum of its proper divisors (1428858882690).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1111100100222 is a wasteful number, since it uses less digits than its factorization.

1111100100222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141792.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1111100100222 its reverse (2220010011111), we get a palindrome (3331110111333).

The spelling of 1111100100222 in words is "one trillion, one hundred eleven billion, one hundred million, one hundred thousand, two hundred twenty-two".