11022001010021 has 4 divisors (see below), whose sum is σ = 11030755579200. Its totient is φ = 11013246440844.

The previous prime is 11022001010003. The next prime is 11022001010071. The reversal of 11022001010021 is 12001010022011.

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 a de Polignac number, because none of the positive numbers 2^k-11022001010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11022001009984 and 11022001010011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022001010071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4377282701 + ... + 4377285218.

It is an arithmetic number, because the mean of its divisors is an integer number (2757688894800).

Almost surely, 2^{11022001010021} is an apocalyptic number.

It is an amenable number.

11022001010021 is a deficient number, since it is larger than the sum of its proper divisors (8754569179).

11022001010021 is an equidigital number, since it uses as much as digits as its factorization.

11022001010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8754569178.

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

Adding to 11022001010021 its reverse (12001010022011), we get a palindrome (23023011032032).

The spelling of 11022001010021 in words is "eleven trillion, twenty-two billion, one million, ten thousand, twenty-one".