1100231021203 has 2 divisors, whose sum is σ = 1100231021204. Its totient is φ = 1100231021202.

The previous prime is 1100231021189. The next prime is 1100231021213. The reversal of 1100231021203 is 3021201320011.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1100231021203 - 2²¹ = 1100228924051 is a prime.

It is not a weakly prime, because it can be changed into another prime (1100231021213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550115510601 + 550115510602.

It is an arithmetic number, because the mean of its divisors is an integer number (550115510602).

Almost surely, 2^{1100231021203} is an apocalyptic number.

1100231021203 is a deficient number, since it is larger than the sum of its proper divisors (1).

1100231021203 is an equidigital number, since it uses as much as digits as its factorization.

1100231021203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 1100231021203 its reverse (3021201320011), we get a palindrome (4121432341214).

The spelling of 1100231021203 in words is "one trillion, one hundred billion, two hundred thirty-one million, twenty-one thousand, two hundred three".