11002110002001 has 6 divisors (see below), whose sum is σ = 15891936669570. Its totient is φ = 7334740001328.

The previous prime is 11002110001999. The next prime is 11002110002003. The reversal of 11002110002001 is 10020001120011.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (11002110001999) and next prime (11002110002003).

It can be written as a sum of positive squares in only one way, i.e., 5738664593601 + 5263445408400 = 2395551^2 + 2294220^2 .

It is not a de Polignac number, because 11002110002001 - 2¹ = 11002110001999 is a prime.

It is a super-2 number, since 2×11002110002001² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9), and also a Moran number because the ratio is a prime number: 1222456666889 = 11002110002001 / (1 + 1 + 0 + 0 + 2 + 1 + 1 + 0 + 0 + 0 + 2 + 0 + 0 + 1).

It is not an unprimeable number, because it can be changed into a prime (11002110002003) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 611228333436 + ... + 611228333453.

It is an arithmetic number, because the mean of its divisors is an integer number (2648656111595).

Almost surely, 2^{11002110002001} is an apocalyptic number.

It is an amenable number.

11002110002001 is a deficient number, since it is larger than the sum of its proper divisors (4889826667569).

11002110002001 is a wasteful number, since it uses less digits than its factorization.

11002110002001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222456666895 (or 1222456666892 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 9.

Adding to 11002110002001 its reverse (10020001120011), we get a palindrome (21022111122012).

The spelling of 11002110002001 in words is "eleven trillion, two billion, one hundred ten million, two thousand, one".