211432131101 has 4 divisors (see below), whose sum is σ = 212600264604. Its totient is φ = 210263997600.

The previous prime is 211432131067. The next prime is 211432131109. The reversal of 211432131101 is 101131234112.

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 33222352900 + 178209778201 = 182270^2 + 422149^2 .

It is a cyclic number.

It is not a de Polignac number, because 211432131101 - 2⁶ = 211432131037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211432131109) 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, 584066480 + ... + 584066841.

It is an arithmetic number, because the mean of its divisors is an integer number (53150066151).

Almost surely, 2^211432131101 is an apocalyptic number.

It is an amenable number.

211432131101 is a deficient number, since it is larger than the sum of its proper divisors (1168133503).

211432131101 is a wasteful number, since it uses less digits than its factorization.

211432131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1168133502.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 211432131101 its reverse (101131234112), we get a palindrome (312563365213).

The spelling of 211432131101 in words is "two hundred eleven billion, four hundred thirty-two million, one hundred thirty-one thousand, one hundred one".