10111101721403 has 2 divisors, whose sum is σ = 10111101721404. Its totient is φ = 10111101721402.

The previous prime is 10111101721307. The next prime is 10111101721423. The reversal of 10111101721403 is 30412710111101.

It is a strong prime.

It is an emirp because it is prime and its reverse (30412710111101) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10111101721403 - 2²² = 10111097527099 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (10111101721423) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5055550860701 + 5055550860702.

It is an arithmetic number, because the mean of its divisors is an integer number (5055550860702).

Almost surely, 2^{10111101721403} is an apocalyptic number.

10111101721403 is a deficient number, since it is larger than the sum of its proper divisors (1).

10111101721403 is an equidigital number, since it uses as much as digits as its factorization.

10111101721403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 168, while the sum is 23.

Adding to 10111101721403 its reverse (30412710111101), we get a palindrome (40523811832504).

The spelling of 10111101721403 in words is "ten trillion, one hundred eleven billion, one hundred one million, seven hundred twenty-one thousand, four hundred three".