222221012001 has 8 divisors (see below), whose sum is σ = 296329909920. Its totient is φ = 148129727712.

The previous prime is 222221011843. The next prime is 222221012021. The reversal of 222221012001 is 100210122222.

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

It is not a de Polignac number, because 222221012001 - 2¹⁷ = 222220880929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (222221012021) 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, 4373940 + ... + 4424453.

It is an arithmetic number, because the mean of its divisors is an integer number (37041238740).

Almost surely, 2^222221012001 is an apocalyptic number.

It is an amenable number.

222221012001 is a deficient number, since it is larger than the sum of its proper divisors (74108897919).

222221012001 is an equidigital number, since it uses as much as digits as its factorization.

222221012001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8806815.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 222221012001 its reverse (100210122222), we get a palindrome (322431134223).

The spelling of 222221012001 in words is "two hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one".