102120001103 has 2 divisors, whose sum is σ = 102120001104. Its totient is φ = 102120001102.

The previous prime is 102120001099. The next prime is 102120001163. The reversal of 102120001103 is 301100021201.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102120001103 - 2² = 102120001099 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 (102120001163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51060000551 + 51060000552.

It is an arithmetic number, because the mean of its divisors is an integer number (51060000552).

Almost surely, 2^102120001103 is an apocalyptic number.

102120001103 is a deficient number, since it is larger than the sum of its proper divisors (1).

102120001103 is an equidigital number, since it uses as much as digits as its factorization.

102120001103 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 11.

Adding to 102120001103 its reverse (301100021201), we get a palindrome (403220022304).

The spelling of 102120001103 in words is "one hundred two billion, one hundred twenty million, one thousand, one hundred three".