11022021002001 has 4 divisors (see below), whose sum is σ = 14696028002672. Its totient is φ = 7348014001332.

The previous prime is 11022021001987. The next prime is 11022021002093. The reversal of 11022021002001 is 10020012022011.

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 not a de Polignac number, because 11022021002001 - 2¹¹ = 11022020999953 is a prime.

It is a super-2 number, since 2×11022021002001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11022021002401) 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, 1837003500331 + ... + 1837003500336.

It is an arithmetic number, because the mean of its divisors is an integer number (3674007000668).

Almost surely, 2^{11022021002001} is an apocalyptic number.

It is an amenable number.

11022021002001 is a deficient number, since it is larger than the sum of its proper divisors (3674007000671).

11022021002001 is an equidigital number, since it uses as much as digits as its factorization.

11022021002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3674007000670.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11022021002001 its reverse (10020012022011), we get a palindrome (21042033024012).

The spelling of 11022021002001 in words is "eleven trillion, twenty-two billion, twenty-one million, two thousand, one".