1100221211012 has 24 divisors (see below), whose sum is σ = 2400482642880. Its totient is φ = 428657614560.

The previous prime is 1100221211009. The next prime is 1100221211041. The reversal of 1100221211012 is 2101121220011.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1786073087 + ... + 1786073702.

It is an arithmetic number, because the mean of its divisors is an integer number (100020110120).

Almost surely, 2^{1100221211012} is an apocalyptic number.

It is an amenable number.

1100221211012 is an abundant number, since it is smaller than the sum of its proper divisors (1300261431868).

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

1100221211012 is a wasteful number, since it uses less digits than its factorization.

1100221211012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3572146811 (or 3572146809 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1100221211012 its reverse (2101121220011), we get a palindrome (3201342431023).

The spelling of 1100221211012 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred eleven thousand, twelve".