1110100211021 has 8 divisors (see below), whose sum is σ = 1175428443384. Its totient is φ = 1044775114240.

The previous prime is 1110100210993. The next prime is 1110100211027. The reversal of 1110100211021 is 1201120010111.

It can be written as a sum of positive squares in 4 ways, for example, as 17836938025 + 1092263272996 = 133555^2 + 1045114^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110100211021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1110100210993 and 1110100211011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110100211027) 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 7 ways as a sum of consecutive naturals, for example, 34520 + ... + 1490433.

It is an arithmetic number, because the mean of its divisors is an integer number (146928555423).

Almost surely, 2^{1110100211021} is an apocalyptic number.

It is an amenable number.

1110100211021 is a deficient number, since it is larger than the sum of its proper divisors (65328232363).

1110100211021 is a wasteful number, since it uses less digits than its factorization.

1110100211021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1567791.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 1110100211021 its reverse (1201120010111), we get a palindrome (2311220221132).

The spelling of 1110100211021 in words is "one trillion, one hundred ten billion, one hundred million, two hundred eleven thousand, twenty-one".