222012222221101 has 4 divisors (see below), whose sum is σ = 239090085468892. Its totient is φ = 204934358973312.

The previous prime is 222012222220961. The next prime is 222012222221129. The reversal of 222012222221101 is 101122222210222.

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 32798414460100 + 189213807761001 = 5726990^2 + 13755501^2 .

It is a cyclic number.

It is not a de Polignac number, because 222012222221101 - 2¹³ = 222012222212909 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 (222012222221161) 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, 8538931623876 + ... + 8538931623901.

It is an arithmetic number, because the mean of its divisors is an integer number (59772521367223).

Almost surely, 2^{222012222221101} is an apocalyptic number.

It is an amenable number.

222012222221101 is a deficient number, since it is larger than the sum of its proper divisors (17077863247791).

222012222221101 is a wasteful number, since it uses less digits than its factorization.

222012222221101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17077863247790.

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 222012222221101 its reverse (101122222210222), we get a palindrome (323134444431323).

The spelling of 222012222221101 in words is "two hundred twenty-two trillion, twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred one".