11202103111 has 2 divisors, whose sum is σ = 11202103112. Its totient is φ = 11202103110.

The previous prime is 11202103109. The next prime is 11202103147. The reversal of 11202103111 is 11130120211.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11202103111 - 2¹ = 11202103109 is a prime.

It is a super-2 number, since 2×11202103111² (a number of 21 digits) contains 22 as substring.

Together with 11202103109, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 11202103091 and 11202103100.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11202103181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5601051555 + 5601051556.

It is an arithmetic number, because the mean of its divisors is an integer number (5601051556).

Almost surely, 2^11202103111 is an apocalyptic number.

11202103111 is a deficient number, since it is larger than the sum of its proper divisors (1).

11202103111 is an equidigital number, since it uses as much as digits as its factorization.

11202103111 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11202103111 its reverse (11130120211), we get a palindrome (22332223322).

The spelling of 11202103111 in words is "eleven billion, two hundred two million, one hundred three thousand, one hundred eleven".