1101230264021 has 2 divisors, whose sum is σ = 1101230264022. Its totient is φ = 1101230264020.

The previous prime is 1101230263981. The next prime is 1101230264131. The reversal of 1101230264021 is 1204620321011.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 861731607025 + 239498656996 = 928295^2 + 489386^2 .

It is a cyclic number.

It is not a de Polignac number, because 1101230264021 - 2³⁴ = 1084050394837 is a prime.

It is a super-2 number, since 2×1101230264021² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1101230264221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 550615132010 + 550615132011.

It is an arithmetic number, because the mean of its divisors is an integer number (550615132011).

Almost surely, 2^{1101230264021} is an apocalyptic number.

It is an amenable number.

1101230264021 is a deficient number, since it is larger than the sum of its proper divisors (1).

1101230264021 is an equidigital number, since it uses as much as digits as its factorization.

1101230264021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1101230264021 its reverse (1204620321011), we get a palindrome (2305850585032).

The spelling of 1101230264021 in words is "one trillion, one hundred one billion, two hundred thirty million, two hundred sixty-four thousand, twenty-one".