11101322021 has 2 divisors, whose sum is σ = 11101322022. Its totient is φ = 11101322020.

The previous prime is 11101322017. The next prime is 11101322041. The reversal of 11101322021 is 12022310111.

11101322021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6038999521 + 5062322500 = 77711^2 + 71150^2 .

It is a cyclic number.

It is not a de Polignac number, because 11101322021 - 2² = 11101322017 is a prime.

It is a super-2 number, since 2×11101322021² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11101321987 and 11101322005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11101322041) 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, 5550661010 + 5550661011.

It is an arithmetic number, because the mean of its divisors is an integer number (5550661011).

Almost surely, 2^11101322021 is an apocalyptic number.

It is an amenable number.

11101322021 is a deficient number, since it is larger than the sum of its proper divisors (1).

11101322021 is an equidigital number, since it uses as much as digits as its factorization.

11101322021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 11101322021 its reverse (12022310111), we get a palindrome (23123632132).

The spelling of 11101322021 in words is "eleven billion, one hundred one million, three hundred twenty-two thousand, twenty-one".