1110000320021 has 2 divisors, whose sum is σ = 1110000320022. Its totient is φ = 1110000320020.

The previous prime is 1110000320003. The next prime is 1110000320083. The reversal of 1110000320021 is 1200230000111.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 896638548100 + 213361771921 = 946910^2 + 461911^2 .

It is a cyclic number.

It is not a de Polignac number, because 1110000320021 - 2⁶ = 1110000319957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1110000319984 and 1110000320011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110000326021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555000160010 + 555000160011.

It is an arithmetic number, because the mean of its divisors is an integer number (555000160011).

Almost surely, 2^{1110000320021} is an apocalyptic number.

It is an amenable number.

1110000320021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110000320021 is an equidigital number, since it uses as much as digits as its factorization.

1110000320021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12, while the sum is 11.

Adding to 1110000320021 its reverse (1200230000111), we get a palindrome (2310230320132).

The spelling of 1110000320021 in words is "one trillion, one hundred ten billion, three hundred twenty thousand, twenty-one".