22121302103 has 2 divisors, whose sum is σ = 22121302104. Its totient is φ = 22121302102.

The previous prime is 22121302097. The next prime is 22121302111. The reversal of 22121302103 is 30120312122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22121302103 - 2³⁰ = 21047560279 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22121302123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11060651051 + 11060651052.

It is an arithmetic number, because the mean of its divisors is an integer number (11060651052).

Almost surely, 2^22121302103 is an apocalyptic number.

22121302103 is a deficient number, since it is larger than the sum of its proper divisors (1).

22121302103 is an equidigital number, since it uses as much as digits as its factorization.

22121302103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 22121302103 its reverse (30120312122), we get a palindrome (52241614225).

The spelling of 22121302103 in words is "twenty-two billion, one hundred twenty-one million, three hundred two thousand, one hundred three".