20122101112103 has 2 divisors, whose sum is σ = 20122101112104. Its totient is φ = 20122101112102.

The previous prime is 20122101112097. The next prime is 20122101112109. The reversal of 20122101112103 is 30121110122102.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (20122101112097) and next prime (20122101112109).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20122101112103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20122101112109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10061050556051 + 10061050556052.

It is an arithmetic number, because the mean of its divisors is an integer number (10061050556052).

Almost surely, 2^{20122101112103} is an apocalyptic number.

20122101112103 is a deficient number, since it is larger than the sum of its proper divisors (1).

20122101112103 is an equidigital number, since it uses as much as digits as its factorization.

20122101112103 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 20122101112103 its reverse (30121110122102), we get a palindrome (50243211234205).

Subtracting 20122101112103 from its reverse (30121110122102), we obtain a palindrome (9999009009999).

The spelling of 20122101112103 in words is "twenty trillion, one hundred twenty-two billion, one hundred one million, one hundred twelve thousand, one hundred three".