1100321221112 has 32 divisors (see below), whose sum is σ = 2089553760000. Its totient is φ = 543151111008.

The previous prime is 1100321221067. The next prime is 1100321221127. The reversal of 1100321221112 is 2111221230011.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2564912 + ... + 2963007.

It is an arithmetic number, because the mean of its divisors is an integer number (65298555000).

Almost surely, 2^{1100321221112} is an apocalyptic number.

It is an amenable number.

1100321221112 is a deficient number, since it is larger than the sum of its proper divisors (989232538888).

1100321221112 is a wasteful number, since it uses less digits than its factorization.

1100321221112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5528243 (or 5528239 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 1100321221112 its reverse (2111221230011), we get a palindrome (3211542451123).

The spelling of 1100321221112 in words is "one trillion, one hundred billion, three hundred twenty-one million, two hundred twenty-one thousand, one hundred twelve".