212202110011 has 4 divisors (see below), whose sum is σ = 212315407192. Its totient is φ = 212088812832.

The previous prime is 212202109961. The next prime is 212202110051. The reversal of 212202110011 is 110011202212.

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 212202110011 - 2¹³ = 212202101819 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 212202109973 and 212202110000.

It is not an unprimeable number, because it can be changed into a prime (212202110051) 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, 56645781 + ... + 56649526.

It is an arithmetic number, because the mean of its divisors is an integer number (53078851798).

Almost surely, 2^212202110011 is an apocalyptic number.

212202110011 is a deficient number, since it is larger than the sum of its proper divisors (113297181).

212202110011 is a wasteful number, since it uses less digits than its factorization.

212202110011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113297180.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 212202110011 its reverse (110011202212), we get a palindrome (322213312223).

The spelling of 212202110011 in words is "two hundred twelve billion, two hundred two million, one hundred ten thousand, eleven".