11002201001 has 24 divisors (see below), whose sum is σ = 12378576000. Its totient is φ = 9767054880.

The previous prime is 11002200973. The next prime is 11002201003. The reversal of 11002201001 is 10010220011.

It is not a de Polignac number, because 11002201001 - 2²² = 10998006697 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11002201001.

It is not an unprimeable number, because it can be changed into a prime (11002201003) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2835875 + ... + 2839751.

It is an arithmetic number, because the mean of its divisors is an integer number (515774000).

Almost surely, 2^11002201001 is an apocalyptic number.

11002201001 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

11002201001 is a deficient number, since it is larger than the sum of its proper divisors (1376374999).

11002201001 is a wasteful number, since it uses less digits than its factorization.

11002201001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4445 (or 4434 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 8.

Adding to 11002201001 its reverse (10010220011), we get a palindrome (21012421012).

The spelling of 11002201001 in words is "eleven billion, two million, two hundred one thousand, one".