11021323101021 has 6 divisors (see below), whose sum is σ = 15919688923710. Its totient is φ = 7347548734008.

The previous prime is 11021323100993. The next prime is 11021323101049. The reversal of 11021323101021 is 12010132312011.

11021323101021 is a `hidden beast` number, since 110 + 213 + 2 + 310 + 10 + 21 = 666.

It is an interprime number because it is at equal distance from previous prime (11021323100993) and next prime (11021323101049).

It can be written as a sum of positive squares in only one way, i.e., 9759913335396 + 1261409765625 = 3124086^2 + 1123125^2 .

It is not a de Polignac number, because 11021323101021 - 2¹⁷ = 11021322969949 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11021323100985 and 11021323101003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11021323101121) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 612295727826 + ... + 612295727843.

It is an arithmetic number, because the mean of its divisors is an integer number (2653281487285).

Almost surely, 2^{11021323101021} is an apocalyptic number.

It is an amenable number.

11021323101021 is a deficient number, since it is larger than the sum of its proper divisors (4898365822689).

11021323101021 is a wasteful number, since it uses less digits than its factorization.

11021323101021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1224591455675 (or 1224591455672 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 11021323101021 its reverse (12010132312011), we get a palindrome (23031455413032).

The spelling of 11021323101021 in words is "eleven trillion, twenty-one billion, three hundred twenty-three million, one hundred one thousand, twenty-one".