21112332010103 has 2 divisors, whose sum is σ = 21112332010104. Its totient is φ = 21112332010102.

The previous prime is 21112332010097. The next prime is 21112332010109. The reversal of 21112332010103 is 30101023321112.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (21112332010097) and next prime (21112332010109).

It is a cyclic number.

It is not a de Polignac number, because 21112332010103 - 2⁶ = 21112332010039 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21112332010109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10556166005051 + 10556166005052.

It is an arithmetic number, because the mean of its divisors is an integer number (10556166005052).

Almost surely, 2^{21112332010103} is an apocalyptic number.

21112332010103 is a deficient number, since it is larger than the sum of its proper divisors (1).

21112332010103 is an equidigital number, since it uses as much as digits as its factorization.

21112332010103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 21112332010103 its reverse (30101023321112), we get a palindrome (51213355331215).

The spelling of 21112332010103 in words is "twenty-one trillion, one hundred twelve billion, three hundred thirty-two million, ten thousand, one hundred three".