1101412381 has 2 divisors, whose sum is σ = 1101412382. Its totient is φ = 1101412380.

The previous prime is 1101412327. The next prime is 1101412427. The reversal of 1101412381 is 1832141011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 988096356 + 113316025 = 31434^2 + 10645^2 .

It is an emirp because it is prime and its reverse (1832141011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1101412381 - 2⁹ = 1101411869 is a prime.

It is a super-2 number, since 2×1101412381² = 2426218466040178322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101452381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550706190 + 550706191.

It is an arithmetic number, because the mean of its divisors is an integer number (550706191).

Almost surely, 2^1101412381 is an apocalyptic number.

It is an amenable number.

1101412381 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101412381 is an equidigital number, since it uses as much as digits as its factorization.

1101412381 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 192, while the sum is 22.

The square root of 1101412381 is about 33187.5335178738. The cubic root of 1101412381 is about 1032.7217364450.

Adding to 1101412381 its reverse (1832141011), we get a palindrome (2933553392).

The spelling of 1101412381 in words is "one billion, one hundred one million, four hundred twelve thousand, three hundred eighty-one".