212202113011 has 4 divisors (see below), whose sum is σ = 242516700592. Its totient is φ = 181887525432.

The previous prime is 212202112999. The next prime is 212202113027. The reversal of 212202113011 is 110311202212.

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 212202113011 - 2³⁵ = 177842374643 is a prime.

It is a super-2 number, since 2×212202113011² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202113051) 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, 15157293780 + ... + 15157293793.

It is an arithmetic number, because the mean of its divisors is an integer number (60629175148).

Almost surely, 2^212202113011 is an apocalyptic number.

212202113011 is a deficient number, since it is larger than the sum of its proper divisors (30314587581).

212202113011 is an equidigital number, since it uses as much as digits as its factorization.

212202113011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30314587580.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 212202113011 its reverse (110311202212), we get a palindrome (322513315223).

The spelling of 212202113011 in words is "two hundred twelve billion, two hundred two million, one hundred thirteen thousand, eleven".