222212210112001 has 4 divisors (see below), whose sum is σ = 233907589591600. Its totient is φ = 210516830632404.

The previous prime is 222212210111999. The next prime is 222212210112047. The reversal of 222212210112001 is 100211012212222.

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 222212210112001 - 2¹ = 222212210111999 is a prime.

It is a super-3 number, since 3×222212210112001³ (a number of 44 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19), and also a Moran number because the ratio is a prime number: 11695379479579 = 222212210112001 / (2 + 2 + 2 + 2 + 1 + 2 + 2 + 1 + 0 + 1 + 1 + 2 + 0 + 0 + 1).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 222212210112001.

It is not an unprimeable number, because it can be changed into a prime (222212210112071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5847689739771 + ... + 5847689739808.

It is an arithmetic number, because the mean of its divisors is an integer number (58476897397900).

Almost surely, 2^{222212210112001} is an apocalyptic number.

It is an amenable number.

222212210112001 is a deficient number, since it is larger than the sum of its proper divisors (11695379479599).

222212210112001 is a wasteful number, since it uses less digits than its factorization.

222212210112001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11695379479598.

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 222212210112001 its reverse (100211012212222), we get a palindrome (322423222324223).

The spelling of 222212210112001 in words is "two hundred twenty-two trillion, two hundred twelve billion, two hundred ten million, one hundred twelve thousand, one".