11010020102021 has 4 divisors (see below), whose sum is σ = 11010134501472. Its totient is φ = 11009905702572.

The previous prime is 11010020101999. The next prime is 11010020102051. The reversal of 11010020102021 is 12020102001011.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11010020102021 - 2⁶ = 11010020101957 is a prime.

It is a super-2 number, since 2×11010020102021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11010020101993 and 11010020102011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11010020102051) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57055241 + ... + 57247886.

It is an arithmetic number, because the mean of its divisors is an integer number (2752533625368).

Almost surely, 2^{11010020102021} is an apocalyptic number.

It is an amenable number.

11010020102021 is a deficient number, since it is larger than the sum of its proper divisors (114399451).

11010020102021 is an equidigital number, since it uses as much as digits as its factorization.

11010020102021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114399450.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11010020102021 its reverse (12020102001011), we get a palindrome (23030122103032).

The spelling of 11010020102021 in words is "eleven trillion, ten billion, twenty million, one hundred two thousand, twenty-one".