110011001012021 has 2 divisors, whose sum is σ = 110011001012022. Its totient is φ = 110011001012020.

The previous prime is 110011001011991. The next prime is 110011001012027. The reversal of 110011001012021 is 120210100110011.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65202556536100 + 44808444475921 = 8074810^2 + 6693911^2 .

It is a cyclic number.

It is not a de Polignac number, because 110011001012021 - 2⁶ = 110011001011957 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 110011001011993 and 110011001012011.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (110011001012027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55005500506010 + 55005500506011.

It is an arithmetic number, because the mean of its divisors is an integer number (55005500506011).

Almost surely, 2^{110011001012021} is an apocalyptic number.

It is an amenable number.

110011001012021 is a deficient number, since it is larger than the sum of its proper divisors (1).

110011001012021 is an equidigital number, since it uses as much as digits as its factorization.

110011001012021 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 110011001012021 its reverse (120210100110011), we get a palindrome (230221101122032).

The spelling of 110011001012021 in words is "one hundred ten trillion, eleven billion, one million, twelve thousand, twenty-one".