105111231403 has 2 divisors, whose sum is σ = 105111231404. Its totient is φ = 105111231402.

The previous prime is 105111231389. The next prime is 105111231481. The reversal of 105111231403 is 304132111501.

It is a happy number.

It is a weak prime.

It is an emirp because it is prime and its reverse (304132111501) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 105111231403 - 2²⁵ = 105077676971 is a prime.

It is a super-2 number, since 2×105111231403² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (105111231703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52555615701 + 52555615702.

It is an arithmetic number, because the mean of its divisors is an integer number (52555615702).

Almost surely, 2^105111231403 is an apocalyptic number.

105111231403 is a deficient number, since it is larger than the sum of its proper divisors (1).

105111231403 is an equidigital number, since it uses as much as digits as its factorization.

105111231403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 105111231403 its reverse (304132111501), we get a palindrome (409243342904).

The spelling of 105111231403 in words is "one hundred five billion, one hundred eleven million, two hundred thirty-one thousand, four hundred three".