1100032112221 has 32 divisors (see below), whose sum is σ = 1332802150400. Its totient is φ = 886898134080.

The previous prime is 1100032112143. The next prime is 1100032112227. The reversal of 1100032112221 is 1222112300011.

It is not a de Polignac number, because 1100032112221 - 2¹⁹ = 1100031587933 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1100032112195 and 1100032112204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1100032112227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11191831 + ... + 11289691.

It is an arithmetic number, because the mean of its divisors is an integer number (41650067200).

Almost surely, 2^{1100032112221} is an apocalyptic number.

It is an amenable number.

1100032112221 is a deficient number, since it is larger than the sum of its proper divisors (232770038179).

1100032112221 is a wasteful number, since it uses less digits than its factorization.

1100032112221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98489.

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

Adding to 1100032112221 its reverse (1222112300011), we get a palindrome (2322144412232).

The spelling of 1100032112221 in words is "one trillion, one hundred billion, thirty-two million, one hundred twelve thousand, two hundred twenty-one".