101312111203 has 2 divisors, whose sum is σ = 101312111204. Its totient is φ = 101312111202.

The previous prime is 101312111149. The next prime is 101312111207. The reversal of 101312111203 is 302111213101.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101312111203 is a prime.

It is not a weakly prime, because it can be changed into another prime (101312111207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50656055601 + 50656055602.

It is an arithmetic number, because the mean of its divisors is an integer number (50656055602).

Almost surely, 2^101312111203 is an apocalyptic number.

101312111203 is a deficient number, since it is larger than the sum of its proper divisors (1).

101312111203 is an equidigital number, since it uses as much as digits as its factorization.

101312111203 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 101312111203 its reverse (302111213101), we get a palindrome (403423324304).

The spelling of 101312111203 in words is "one hundred one billion, three hundred twelve million, one hundred eleven thousand, two hundred three".