11421211201 has 16 divisors (see below), whose sum is σ = 13168483200. Its totient is φ = 9832451328.

The previous prime is 11421211189. The next prime is 11421211211. The reversal of 11421211201 is 10211212411.

It is a cyclic number.

It is not a de Polignac number, because 11421211201 - 2²³ = 11412822593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11421211211) 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, 600285 + ... + 619018.

It is an arithmetic number, because the mean of its divisors is an integer number (823030200).

Almost surely, 2^11421211201 is an apocalyptic number.

It is an amenable number.

11421211201 is a deficient number, since it is larger than the sum of its proper divisors (1747271999).

11421211201 is a wasteful number, since it uses less digits than its factorization.

11421211201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1219368.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 11421211201 its reverse (10211212411), we get a palindrome (21632423612).

The spelling of 11421211201 in words is "eleven billion, four hundred twenty-one million, two hundred eleven thousand, two hundred one".