212131101201 has 4 divisors (see below), whose sum is σ = 282841468272. Its totient is φ = 141420734132.

The previous prime is 212131101163. The next prime is 212131101239. The reversal of 212131101201 is 102101131212.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (212131101163) and next prime (212131101239).

It is a cyclic number.

It is not a de Polignac number, because 212131101201 - 2²⁶ = 212063992337 is a prime.

It is not an unprimeable number, because it can be changed into a prime (212131101001) 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, 35355183531 + ... + 35355183536.

It is an arithmetic number, because the mean of its divisors is an integer number (70710367068).

Almost surely, 2^212131101201 is an apocalyptic number.

It is an amenable number.

212131101201 is a deficient number, since it is larger than the sum of its proper divisors (70710367071).

212131101201 is an equidigital number, since it uses as much as digits as its factorization.

212131101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70710367070.

The product of its (nonzero) digits is 24, while the sum is 15.

Adding to 212131101201 its reverse (102101131212), we get a palindrome (314232232413).

The spelling of 212131101201 in words is "two hundred twelve billion, one hundred thirty-one million, one hundred one thousand, two hundred one".