11102121103 has 2 divisors, whose sum is σ = 11102121104. Its totient is φ = 11102121102.

The previous prime is 11102121083. The next prime is 11102121139. The reversal of 11102121103 is 30112120111.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11102121103 - 2⁹ = 11102120591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11102121193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5551060551 + 5551060552.

It is an arithmetic number, because the mean of its divisors is an integer number (5551060552).

Almost surely, 2^11102121103 is an apocalyptic number.

11102121103 is a deficient number, since it is larger than the sum of its proper divisors (1).

11102121103 is an equidigital number, since it uses as much as digits as its factorization.

11102121103 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 11102121103 its reverse (30112120111), we get a palindrome (41214241214).

It can be divided in two parts, 11102121 and 103, that added together give a square (11102224 = 3332²).

The spelling of 11102121103 in words is "eleven billion, one hundred two million, one hundred twenty-one thousand, one hundred three".