131200122211 has 4 divisors (see below), whose sum is σ = 132499133424. Its totient is φ = 129901111000.

The previous prime is 131200122187. The next prime is 131200122257. The reversal of 131200122211 is 112221002131.

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

It is a cyclic number.

It is not a de Polignac number, because 131200122211 - 2⁷ = 131200122083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131200122271) 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, 649505455 + ... + 649505656.

It is an arithmetic number, because the mean of its divisors is an integer number (33124783356).

Almost surely, 2^131200122211 is an apocalyptic number.

131200122211 is a deficient number, since it is larger than the sum of its proper divisors (1299011213).

131200122211 is a wasteful number, since it uses less digits than its factorization.

131200122211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1299011212.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 131200122211 its reverse (112221002131), we get a palindrome (243421124342).

The spelling of 131200122211 in words is "one hundred thirty-one billion, two hundred million, one hundred twenty-two thousand, two hundred eleven".