11211010201 has 4 divisors (see below), whose sum is σ = 11322010404. Its totient is φ = 11100010000.

The previous prime is 11211010169. The next prime is 11211010231. The reversal of 11211010201 is 10201011211.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10069921801 + 1141088400 = 100349^2 + 33780^2 .

It is a cyclic number.

It is not a de Polignac number, because 11211010201 - 2⁵ = 11211010169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11211010231) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55499950 + ... + 55500151.

It is an arithmetic number, because the mean of its divisors is an integer number (2830502601).

Almost surely, 2^11211010201 is an apocalyptic number.

It is an amenable number.

11211010201 is a deficient number, since it is larger than the sum of its proper divisors (111000203).

11211010201 is a wasteful number, since it uses less digits than its factorization.

11211010201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111000202.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 11211010201 its reverse (10201011211), we get a palindrome (21412021412).

It can be divided in two parts, 11211010 and 201, that added together give a palindrome (11211211).

The spelling of 11211010201 in words is "eleven billion, two hundred eleven million, ten thousand, two hundred one".