11002112121001 has 4 divisors (see below), whose sum is σ = 11004060437632. Its totient is φ = 11000163804372.

The previous prime is 11002112120969. The next prime is 11002112121019. The reversal of 11002112121001 is 10012121120011.

It is a happy number.

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 11002112121001 - 2⁵ = 11002112120969 is a prime.

It is a super-2 number, since 2×11002112121001² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11002112121041) 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 in 3 ways as a sum of consecutive naturals, for example, 974149845 + ... + 974161138.

It is an arithmetic number, because the mean of its divisors is an integer number (2751015109408).

Almost surely, 2^{11002112121001} is an apocalyptic number.

It is an amenable number.

11002112121001 is a deficient number, since it is larger than the sum of its proper divisors (1948316631).

11002112121001 is an equidigital number, since it uses as much as digits as its factorization.

11002112121001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1948316630.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 11002112121001 its reverse (10012121120011), we get a palindrome (21014233241012).

The spelling of 11002112121001 in words is "eleven trillion, two billion, one hundred twelve million, one hundred twenty-one thousand, one".