1110000102021 has 6 divisors (see below), whose sum is σ = 1603333480710. Its totient is φ = 740000068008.

The previous prime is 1110000102011. The next prime is 1110000102047. The reversal of 1110000102021 is 1202010000111.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 558524549025 + 551475552996 = 747345^2 + 742614^2 .

It is not a de Polignac number, because 1110000102021 - 2¹⁰ = 1110000100997 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: 123333344669 = 1110000102021 / (1 + 1 + 1 + 0 + 0 + 0 + 0 + 1 + 0 + 2 + 0 + 2 + 1).

It is a junction number, because it is equal to n+sod(n) for n = 1110000101994 and 1110000102012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1110000102011) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 61666672326 + ... + 61666672343.

It is an arithmetic number, because the mean of its divisors is an integer number (267222246785).

Almost surely, 2^{1110000102021} is an apocalyptic number.

It is an amenable number.

1110000102021 is a deficient number, since it is larger than the sum of its proper divisors (493333378689).

1110000102021 is a wasteful number, since it uses less digits than its factorization.

1110000102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123333344675 (or 123333344672 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 1110000102021 its reverse (1202010000111), we get a palindrome (2312010102132).

The spelling of 1110000102021 in words is "one trillion, one hundred ten billion, one hundred two thousand, twenty-one".