212033101 has 4 divisors (see below), whose sum is σ = 242323552. Its totient is φ = 181742652.

The previous prime is 212033089. The next prime is 212033117. The reversal of 212033101 is 101330212.

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 not a de Polignac number, because 212033101 - 2⁵ = 212033069 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 (212033131) 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, 15145215 + ... + 15145228.

It is an arithmetic number, because the mean of its divisors is an integer number (60580888).

Almost surely, 2^212033101 is an apocalyptic number.

It is an amenable number.

212033101 is a deficient number, since it is larger than the sum of its proper divisors (30290451).

212033101 is an equidigital number, since it uses as much as digits as its factorization.

212033101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30290450.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 212033101 is about 14561.3564272014. The cubic root of 212033101 is about 596.3042275541.

Adding to 212033101 its reverse (101330212), we get a palindrome (313363313).

The spelling of 212033101 in words is "two hundred twelve million, thirty-three thousand, one hundred one".