211210102231 has 16 divisors (see below), whose sum is σ = 213943023648. Its totient is φ = 208490688000.

The previous prime is 211210102199. The next prime is 211210102277. The reversal of 211210102231 is 132201012112.

It is a cyclic number.

It is not a de Polignac number, because 211210102231 - 2⁵ = 211210102199 is a prime.

It is a super-2 number, since 2×211210102231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (211210102031) 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, 98833795 + ... + 98835931.

It is an arithmetic number, because the mean of its divisors is an integer number (13371438978).

Almost surely, 2^211210102231 is an apocalyptic number.

211210102231 is a deficient number, since it is larger than the sum of its proper divisors (2732921417).

211210102231 is a wasteful number, since it uses less digits than its factorization.

211210102231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4722.

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

Adding to 211210102231 its reverse (132201012112), we get a palindrome (343411114343).

The spelling of 211210102231 in words is "two hundred eleven billion, two hundred ten million, one hundred two thousand, two hundred thirty-one".