212202223111201 has 4 divisors (see below), whose sum is σ = 212202290662804. Its totient is φ = 212202155559600.

The previous prime is 212202223111189. The next prime is 212202223111247. The reversal of 212202223111201 is 102111322202212.

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

It can be written as a sum of positive squares in 2 ways, for example, as 5566773078801 + 206635450032400 = 2359401^2 + 14374820^2 .

It is a cyclic number.

It is not a de Polignac number, because 212202223111201 - 2³⁵ = 212167863372833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (212202223111301) 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, 28821570 + ... + 35427211.

It is an arithmetic number, because the mean of its divisors is an integer number (53050572665701).

Almost surely, 2^{212202223111201} is an apocalyptic number.

It is an amenable number.

212202223111201 is a deficient number, since it is larger than the sum of its proper divisors (67551603).

212202223111201 is an equidigital number, since it uses as much as digits as its factorization.

212202223111201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67551602.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 212202223111201 its reverse (102111322202212), we get a palindrome (314313545313413).

The spelling of 212202223111201 in words is "two hundred twelve trillion, two hundred two billion, two hundred twenty-three million, one hundred eleven thousand, two hundred one".