222211111120001 has 4 divisors (see below), whose sum is σ = 223452513975600. Its totient is φ = 220969708264404.

The previous prime is 222211111119973. The next prime is 222211111120049. The reversal of 222211111120001 is 100021111112222.

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 222211111120001 - 2¹⁰ = 222211111118977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222211111120051) 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, 620701427531 + ... + 620701427888.

It is an arithmetic number, because the mean of its divisors is an integer number (55863128493900).

Almost surely, 2^{222211111120001} is an apocalyptic number.

It is an amenable number.

222211111120001 is a deficient number, since it is larger than the sum of its proper divisors (1241402855599).

222211111120001 is a wasteful number, since it uses less digits than its factorization.

222211111120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1241402855598.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 222211111120001 its reverse (100021111112222), we get a palindrome (322232222232223).

The spelling of 222211111120001 in words is "two hundred twenty-two trillion, two hundred eleven billion, one hundred eleven million, one hundred twenty thousand, one".