211200122131 has 8 divisors (see below), whose sum is σ = 216361931184. Its totient is φ = 206038817280.

The previous prime is 211200122129. The next prime is 211200122153. The reversal of 211200122131 is 131221002112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 211200122131 - 2¹ = 211200122129 is a prime.

It is a super-2 number, since 2×211200122131² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (211200122101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 804940 + ... + 1034566.

It is an arithmetic number, because the mean of its divisors is an integer number (27045241398).

Almost surely, 2^211200122131 is an apocalyptic number.

211200122131 is a deficient number, since it is larger than the sum of its proper divisors (5161809053).

211200122131 is a wasteful number, since it uses less digits than its factorization.

211200122131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252101.

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

Adding to 211200122131 its reverse (131221002112), we get a palindrome (342421124243).

The spelling of 211200122131 in words is "two hundred eleven billion, two hundred million, one hundred twenty-two thousand, one hundred thirty-one".