11133212001 has 16 divisors (see below), whose sum is σ = 15679488000. Its totient is φ = 7015674960.

The previous prime is 11133211993. The next prime is 11133212017. The reversal of 11133212001 is 10021233111.

It is a happy number.

It is not a de Polignac number, because 11133212001 - 2³ = 11133211993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11133212081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1388001 + ... + 1395998.

It is an arithmetic number, because the mean of its divisors is an integer number (979968000).

Almost surely, 2^11133212001 is an apocalyptic number.

It is an amenable number.

11133212001 is a deficient number, since it is larger than the sum of its proper divisors (4546275999).

11133212001 is a wasteful number, since it uses less digits than its factorization.

11133212001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2784076.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 11133212001 its reverse (10021233111), we get a palindrome (21154445112).

The spelling of 11133212001 in words is "eleven billion, one hundred thirty-three million, two hundred twelve thousand, one".