1110011010021 has 6 divisors (see below), whose sum is σ = 1603349236710. Its totient is φ = 740007340008.

The previous prime is 1110011010007. The next prime is 1110011010089. The reversal of 1110011010021 is 1200101100111.

It can be written as a sum of positive squares in only one way, i.e., 634593864996 + 475417145025 = 796614^2 + 689505^2 .

It is not a de Polignac number, because 1110011010021 - 2³⁷ = 972572056549 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 123334556669 = 1110011010021 / (1 + 1 + 1 + 0 + 0 + 1 + 1 + 0 + 1 + 0 + 0 + 2 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1110011009985 and 1110011010012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110011010001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61667278326 + ... + 61667278343.

It is an arithmetic number, because the mean of its divisors is an integer number (267224872785).

Almost surely, 2^{1110011010021} is an apocalyptic number.

It is an amenable number.

1110011010021 is a deficient number, since it is larger than the sum of its proper divisors (493338226689).

1110011010021 is a wasteful number, since it uses less digits than its factorization.

1110011010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123334556675 (or 123334556672 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 1110011010021 its reverse (1200101100111), we get a palindrome (2310112110132).

The spelling of 1110011010021 in words is "one trillion, one hundred ten billion, eleven million, ten thousand, twenty-one".