11002102010001 has 12 divisors (see below), whose sum is σ = 15891956183220. Its totient is φ = 7334720339040.

The previous prime is 11002102009991. The next prime is 11002102010027. The reversal of 11002102010001 is 10001020120011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7525014566976 + 3477087443025 = 2743176^2 + 1864695^2 .

It is not a de Polignac number, because 11002102010001 - 2⁹ = 11002102009489 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (11002102010071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5858095 + ... + 7504763.

It is an arithmetic number, because the mean of its divisors is an integer number (1324329681935).

Almost surely, 2^{11002102010001} is an apocalyptic number.

It is an amenable number.

11002102010001 is a deficient number, since it is larger than the sum of its proper divisors (4889854173219).

11002102010001 is a wasteful number, since it uses less digits than its factorization.

11002102010001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2389056 (or 2389053 counting only the distinct ones).

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

Adding to 11002102010001 its reverse (10001020120011), we get a palindrome (21003122130012).

The spelling of 11002102010001 in words is "eleven trillion, two billion, one hundred two million, ten thousand, one".