1110000212021 has 2 divisors, whose sum is σ = 1110000212022. Its totient is φ = 1110000212020.

The previous prime is 1110000211967. The next prime is 1110000212033. The reversal of 1110000212021 is 1202120000111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 736387096900 + 373613115121 = 858130^2 + 611239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1110000212021 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1110000211993 and 1110000212011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1110000215021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 555000106010 + 555000106011.

It is an arithmetic number, because the mean of its divisors is an integer number (555000106011).

Almost surely, 2^{1110000212021} is an apocalyptic number.

It is an amenable number.

1110000212021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1110000212021 is an equidigital number, since it uses as much as digits as its factorization.

1110000212021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1110000212021 its reverse (1202120000111), we get a palindrome (2312120212132).

The spelling of 1110000212021 in words is "one trillion, one hundred ten billion, two hundred twelve thousand, twenty-one".