222101212201 has 4 divisors (see below), whose sum is σ = 242292231504. Its totient is φ = 201910192900.

The previous prime is 222101212187. The next prime is 222101212303. The reversal of 222101212201 is 102212101222.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 222101212201 - 2¹¹ = 222101210153 is a prime.

It is a super-2 number, since 2×222101212201² (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 (222101215201) 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, 10095509635 + ... + 10095509656.

It is an arithmetic number, because the mean of its divisors is an integer number (60573057876).

Almost surely, 2^222101212201 is an apocalyptic number.

It is an amenable number.

222101212201 is a deficient number, since it is larger than the sum of its proper divisors (20191019303).

222101212201 is a wasteful number, since it uses less digits than its factorization.

222101212201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20191019302.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222101212201 its reverse (102212101222), we get a palindrome (324313313423).

The spelling of 222101212201 in words is "two hundred twenty-two billion, one hundred one million, two hundred twelve thousand, two hundred one".