222222021012001 has 8 divisors (see below), whose sum is σ = 226615057449984. Its totient is φ = 217865441308320.

The previous prime is 222222021011999. The next prime is 222222021012007. The reversal of 222222021012001 is 100210120222222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 222222021012001 - 2¹ = 222222021011999 is a prime.

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 222222021012001.

It is not an unprimeable number, because it can be changed into a prime (222222021012007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9114171265 + ... + 9114195646.

It is an arithmetic number, because the mean of its divisors is an integer number (28326882181248).

Almost surely, 2^{222222021012001} is an apocalyptic number.

It is an amenable number.

222222021012001 is a deficient number, since it is larger than the sum of its proper divisors (4393036437983).

222222021012001 is a wasteful number, since it uses less digits than its factorization.

222222021012001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18228367151.

The product of its (nonzero) digits is 256, while the sum is 19.

Adding to 222222021012001 its reverse (100210120222222), we get a palindrome (322432141234223).

The spelling of 222222021012001 in words is "two hundred twenty-two trillion, two hundred twenty-two billion, twenty-one million, twelve thousand, one".