11002121200001 has 4 divisors (see below), whose sum is σ = 11002804111104. Its totient is φ = 11001438288900.

The previous prime is 11002121199977. The next prime is 11002121200027. The reversal of 11002121200001 is 10000212120011.

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 11002121200001 - 2³⁸ = 10727243293057 is a prime.

It is a super-2 number, since 2×11002121200001² (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 (11002121200201) 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, 341431385 + ... + 341463606.

It is an arithmetic number, because the mean of its divisors is an integer number (2750701027776).

Almost surely, 2^{11002121200001} is an apocalyptic number.

It is an amenable number.

11002121200001 is a deficient number, since it is larger than the sum of its proper divisors (682911103).

11002121200001 is an equidigital number, since it uses as much as digits as its factorization.

11002121200001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682911102.

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

Adding to 11002121200001 its reverse (10000212120011), we get a palindrome (21002333320012).

The spelling of 11002121200001 in words is "eleven trillion, two billion, one hundred twenty-one million, two hundred thousand, one".