1100020220903 has 2 divisors, whose sum is σ = 1100020220904. Its totient is φ = 1100020220902.

The previous prime is 1100020220899. The next prime is 1100020220909. The reversal of 1100020220903 is 3090220200011.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1100020220903 - 2² = 1100020220899 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1100020220909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550010110451 + 550010110452.

It is an arithmetic number, because the mean of its divisors is an integer number (550010110452).

Almost surely, 2^{1100020220903} is an apocalyptic number.

1100020220903 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100020220903 is an equidigital number, since it uses as much as digits as its factorization.

1100020220903 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1100020220903 its reverse (3090220200011), we get a palindrome (4190240420914).

The spelling of 1100020220903 in words is "one trillion, one hundred billion, twenty million, two hundred twenty thousand, nine hundred three".