11312220103 has 2 divisors, whose sum is σ = 11312220104. Its totient is φ = 11312220102.

The previous prime is 11312220097. The next prime is 11312220107. The reversal of 11312220103 is 30102221311.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11312220103 - 2²⁹ = 10775349191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11312220107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5656110051 + 5656110052.

It is an arithmetic number, because the mean of its divisors is an integer number (5656110052).

Almost surely, 2^11312220103 is an apocalyptic number.

11312220103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11312220103 is an equidigital number, since it uses as much as digits as its factorization.

11312220103 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 11312220103 its reverse (30102221311), we get a palindrome (41414441414).

It can be divided in two parts, 113122 and 20103, that added together give a square (133225 = 365²).

The spelling of 11312220103 in words is "eleven billion, three hundred twelve million, two hundred twenty thousand, one hundred three".