1111343101 has 4 divisors (see below), whose sum is σ = 1212374304. Its totient is φ = 1010311900.

The previous prime is 1111343099. The next prime is 1111343131. The reversal of 1111343101 is 1013431111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1111343101 - 2¹ = 1111343099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111343131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50515585 + ... + 50515606.

It is an arithmetic number, because the mean of its divisors is an integer number (303093576).

Almost surely, 2^1111343101 is an apocalyptic number.

1111343101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1111343101 is a deficient number, since it is larger than the sum of its proper divisors (101031203).

1111343101 is a wasteful number, since it uses less digits than its factorization.

1111343101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 101031202.

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

The square root of 1111343101 is about 33336.8130000455. The cubic root of 1111343101 is about 1035.8162482874.

Adding to 1111343101 its reverse (1013431111), we get a palindrome (2124774212).

The spelling of 1111343101 in words is "one billion, one hundred eleven million, three hundred forty-three thousand, one hundred one".