110002111010021 has 2 divisors, whose sum is σ = 110002111010022. Its totient is φ = 110002111010020.

The previous prime is 110002111009991. The next prime is 110002111010047. The reversal of 110002111010021 is 120010111200011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 70273180068100 + 39728930941921 = 8382910^2 + 6303089^2 .

It is a cyclic number.

It is not a de Polignac number, because 110002111010021 - 2¹⁰ = 110002111008997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110002111009984 and 110002111010011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110002111010221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55001055505010 + 55001055505011.

It is an arithmetic number, because the mean of its divisors is an integer number (55001055505011).

Almost surely, 2^{110002111010021} is an apocalyptic number.

It is an amenable number.

110002111010021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110002111010021 is an equidigital number, since it uses as much as digits as its factorization.

110002111010021 is an odious number, because the sum of its binary digits is odd.

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

Adding to 110002111010021 its reverse (120010111200011), we get a palindrome (230012222210032).

The spelling of 110002111010021 in words is "one hundred ten trillion, two billion, one hundred eleven million, ten thousand, twenty-one".