12101020111003 has 2 divisors, whose sum is σ = 12101020111004. Its totient is φ = 12101020111002.

The previous prime is 12101020110929. The next prime is 12101020111073. The reversal of 12101020111003 is 30011102010121.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (30011102010121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12101020111003 - 2¹³ = 12101020102811 is a prime.

It is not a weakly prime, because it can be changed into another prime (12101020111073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6050510055501 + 6050510055502.

It is an arithmetic number, because the mean of its divisors is an integer number (6050510055502).

Almost surely, 2^{12101020111003} is an apocalyptic number.

12101020111003 is a deficient number, since it is larger than the sum of its proper divisors (1).

12101020111003 is an equidigital number, since it uses as much as digits as its factorization.

12101020111003 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 12101020111003 its reverse (30011102010121), we get a palindrome (42112122121124).

The spelling of 12101020111003 in words is "twelve trillion, one hundred one billion, twenty million, one hundred eleven thousand, three".