11211312201 has 16 divisors (see below), whose sum is σ = 15842729088. Its totient is φ = 7027884800.

The previous prime is 11211312163. The next prime is 11211312209. The reversal of 11211312201 is 10221311211.

It is a cyclic number.

It is not a de Polignac number, because 11211312201 - 2²⁷ = 11077094473 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11211312209) 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, 49485 + ... + 157706.

It is an arithmetic number, because the mean of its divisors is an integer number (990170568).

Almost surely, 2^11211312201 is an apocalyptic number.

It is an amenable number.

11211312201 is a deficient number, since it is larger than the sum of its proper divisors (4631416887).

11211312201 is a wasteful number, since it uses less digits than its factorization.

11211312201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 208272.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 11211312201 its reverse (10221311211), we get a palindrome (21432623412).

The spelling of 11211312201 in words is "eleven billion, two hundred eleven million, three hundred twelve thousand, two hundred one".