212003013111 has 4 divisors (see below), whose sum is σ = 282670684152. Its totient is φ = 141335342072.

The previous prime is 212003013073. The next prime is 212003013127. The reversal of 212003013111 is 111310300212.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 212003013111 - 2⁷ = 212003012983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212003013151) 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, 35333835516 + ... + 35333835521.

It is an arithmetic number, because the mean of its divisors is an integer number (70667671038).

Almost surely, 2^212003013111 is an apocalyptic number.

212003013111 is a deficient number, since it is larger than the sum of its proper divisors (70667671041).

212003013111 is an equidigital number, since it uses as much as digits as its factorization.

212003013111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70667671040.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 212003013111 its reverse (111310300212), we get a palindrome (323313313323).

The spelling of 212003013111 in words is "two hundred twelve billion, three million, thirteen thousand, one hundred eleven".