1100101001045 has 16 divisors (see below), whose sum is σ = 1335413245680. Its totient is φ = 869892908544.

The previous prime is 1100101001017. The next prime is 1100101001059. The reversal of 1100101001045 is 5401001010011.

It can be written as a sum of positive squares in 8 ways, for example, as 168013091236 + 932087909809 = 409894^2 + 965447^2 .

It is a cyclic number.

It is not a de Polignac number, because 1100101001045 - 2²⁸ = 1099832565589 is a prime.

It is a super-2 number, since 2×1100101001045² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 874319 + ... + 1721811.

It is an arithmetic number, because the mean of its divisors is an integer number (83463327855).

Almost surely, 2^{1100101001045} is an apocalyptic number.

It is an amenable number.

1100101001045 is a deficient number, since it is larger than the sum of its proper divisors (235312244635).

1100101001045 is an equidigital number, since it uses as much as digits as its factorization.

1100101001045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850504.

The product of its (nonzero) digits is 20, while the sum is 14.

Adding to 1100101001045 its reverse (5401001010011), we get a palindrome (6501102011056).

The spelling of 1100101001045 in words is "one trillion, one hundred billion, one hundred one million, one thousand, forty-five".