1100221222210 has 64 divisors (see below), whose sum is σ = 2177956823040. Its totient is φ = 396837040320.

The previous prime is 1100221222181. The next prime is 1100221222241. The reversal of 1100221222210 is 122221220011.

It is a happy number.

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, 93020317 + ... + 93032143.

It is an arithmetic number, because the mean of its divisors is an integer number (34030575360).

Almost surely, 2^{1100221222210} is an apocalyptic number.

1100221222210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100221222210 is a deficient number, since it is larger than the sum of its proper divisors (1077735600830).

1100221222210 is a wasteful number, since it uses less digits than its factorization.

1100221222210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18631.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 1100221222210 its reverse (122221220011), we get a palindrome (1222442442221).

It can be divided in two parts, 11002 and 21222210, that added together give a palindrome (21233212).

The spelling of 1100221222210 in words is "one trillion, one hundred billion, two hundred twenty-one million, two hundred twenty-two thousand, two hundred ten".