1100321221210 has 16 divisors (see below), whose sum is σ = 1988284732776. Its totient is φ = 438415925248.

The previous prime is 1100321221163. The next prime is 1100321221243. The reversal of 1100321221210 is 121221230011.

It can be written as a sum of positive squares in 4 ways, for example, as 1069604803089 + 30716418121 = 1034217^2 + 175261^2 .

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, 214067707 + ... + 214072846.

Almost surely, 2^{1100321221210} is an apocalyptic number.

1100321221210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100321221210 is a deficient number, since it is larger than the sum of its proper divisors (887963511566).

1100321221210 is a wasteful number, since it uses less digits than its factorization.

1100321221210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428140817.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1100321221210 its reverse (121221230011), we get a palindrome (1221542451221).

The spelling of 1100321221210 in words is "one trillion, one hundred billion, three hundred twenty-one million, two hundred twenty-one thousand, two hundred ten".