1100021331203 has 4 divisors (see below), whose sum is σ = 1157917190760. Its totient is φ = 1042125471648.

The previous prime is 1100021331173. The next prime is 1100021331229. The reversal of 1100021331203 is 3021331200011.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1100021331203 - 2²² = 1100017136899 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1100021331403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28947929750 + ... + 28947929787.

It is an arithmetic number, because the mean of its divisors is an integer number (289479297690).

Almost surely, 2^{1100021331203} is an apocalyptic number.

1100021331203 is a deficient number, since it is larger than the sum of its proper divisors (57895859557).

1100021331203 is an equidigital number, since it uses as much as digits as its factorization.

1100021331203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57895859556.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1100021331203 its reverse (3021331200011), we get a palindrome (4121352531214).

The spelling of 1100021331203 in words is "one trillion, one hundred billion, twenty-one million, three hundred thirty-one thousand, two hundred three".