1100221110212 has 96 divisors (see below), whose sum is σ = 2435858127360. Its totient is φ = 423674634240.

The previous prime is 1100221110203. The next prime is 1100221110239. The reversal of 1100221110212 is 2120111220011.

It is a super-2 number, since 2×1100221110212² (a number of 25 digits) contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5607464 + ... + 5800352.

It is an arithmetic number, because the mean of its divisors is an integer number (25373522160).

Almost surely, 2^{1100221110212} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1100221110212, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1217929063680).

1100221110212 is an abundant number, since it is smaller than the sum of its proper divisors (1335637017148).

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

1100221110212 is a wasteful number, since it uses less digits than its factorization.

1100221110212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193461 (or 193459 counting only the distinct ones).

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

Adding to 1100221110212 its reverse (2120111220011), we get a palindrome (3220332330223).

The spelling of 1100221110212 in words is "one trillion, one hundred billion, two hundred twenty-one million, one hundred ten thousand, two hundred twelve".