1110012211021 has 12 divisors (see below), whose sum is σ = 1292917852380. Its totient is φ = 950201763840.

The previous prime is 1110012210953. The next prime is 1110012211039. The reversal of 1110012211021 is 1201122100111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 459426396100 + 650585814921 = 677810^2 + 806589^2 .

It is not a de Polignac number, because 1110012211021 - 2⁷ = 1110012210893 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110012210992 and 1110012211010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110012211921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14691390 + ... + 14766751.

It is an arithmetic number, because the mean of its divisors is an integer number (107743154365).

Almost surely, 2^{1110012211021} is an apocalyptic number.

It is an amenable number.

1110012211021 is a deficient number, since it is larger than the sum of its proper divisors (182905641359).

1110012211021 is an equidigital number, since it uses as much as digits as its factorization.

1110012211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29458924 (or 29458917 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1110012211021 its reverse (1201122100111), we get a palindrome (2311134311132).

The spelling of 1110012211021 in words is "one trillion, one hundred ten billion, twelve million, two hundred eleven thousand, twenty-one".