212202002111 has 4 divisors (see below), whose sum is σ = 231493093224. Its totient is φ = 192910911000.

The previous prime is 212202002099. The next prime is 212202002119. The reversal of 212202002111 is 111200202212.

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 212202002111 - 2²⁶ = 212134893247 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 (212202002119) 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, 9645545540 + ... + 9645545561.

It is an arithmetic number, because the mean of its divisors is an integer number (57873273306).

Almost surely, 2^212202002111 is an apocalyptic number.

212202002111 is a deficient number, since it is larger than the sum of its proper divisors (19291091113).

212202002111 is a wasteful number, since it uses less digits than its factorization.

212202002111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19291091112.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 212202002111 its reverse (111200202212), we get a palindrome (323402204323).

The spelling of 212202002111 in words is "two hundred twelve billion, two hundred two million, two thousand, one hundred eleven".