1105111010001 has 4 divisors (see below), whose sum is σ = 1473481346672. Its totient is φ = 736740673332.

The previous prime is 1105111009987. The next prime is 1105111010023. The reversal of 1105111010001 is 1000101115011.

It is a happy number.

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 not a de Polignac number, because 1105111010001 - 2¹¹ = 1105111007953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1105111011001) 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, 184185168331 + ... + 184185168336.

It is an arithmetic number, because the mean of its divisors is an integer number (368370336668).

Almost surely, 2^{1105111010001} is an apocalyptic number.

It is an amenable number.

1105111010001 is a deficient number, since it is larger than the sum of its proper divisors (368370336671).

1105111010001 is an equidigital number, since it uses as much as digits as its factorization.

1105111010001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 368370336670.

The product of its (nonzero) digits is 5, while the sum is 12.

Adding to 1105111010001 its reverse (1000101115011), we get a palindrome (2105212125012).

The spelling of 1105111010001 in words is "one trillion, one hundred five billion, one hundred eleven million, ten thousand, one".