212036101 has 4 divisors (see below), whose sum is σ = 212065612. Its totient is φ = 212006592.

The previous prime is 212036047. The next prime is 212036107. The reversal of 212036101 is 101630212.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 37822500 + 174213601 = 6150^2 + 13199^2 .

It is a cyclic number.

It is not a de Polignac number, because 212036101 - 2⁷ = 212035973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212036107) 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, 3805 + ... + 20941.

It is an arithmetic number, because the mean of its divisors is an integer number (53016403).

Almost surely, 2^212036101 is an apocalyptic number.

It is an amenable number.

212036101 is a deficient number, since it is larger than the sum of its proper divisors (29511).

212036101 is a wasteful number, since it uses less digits than its factorization.

212036101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29510.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 212036101 is about 14561.4594392183. The cubic root of 212036101 is about 596.3070398575.

Adding to 212036101 its reverse (101630212), we get a palindrome (313666313).

The spelling of 212036101 in words is "two hundred twelve million, thirty-six thousand, one hundred one".