1102211221200 has 60 divisors (see below), whose sum is σ = 3530749949088. Its totient is φ = 293922992000.

The previous prime is 1102211221147. The next prime is 1102211221259. The reversal of 1102211221200 is 21221122011.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×1102211221200² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1102211221200.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 459253476 + ... + 459255875.

Almost surely, 2^{1102211221200} is an apocalyptic number.

1102211221200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1102211221200 is an abundant number, since it is smaller than the sum of its proper divisors (2428538727888).

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

1102211221200 is a wasteful number, since it uses less digits than its factorization.

1102211221200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 918509372 (or 918509361 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1102211221200 its reverse (21221122011), we get a palindrome (1123432343211).

The spelling of 1102211221200 in words is "one trillion, one hundred two billion, two hundred eleven million, two hundred twenty-one thousand, two hundred".