222122211221201 has 8 divisors (see below), whose sum is σ = 222140266387680. Its totient is φ = 222104156706432.

The previous prime is 222122211221179. The next prime is 222122211221303. The reversal of 222122211221201 is 102122112221222.

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 222122211221201 - 2¹⁸ = 222122210959057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222122211221101) 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, 855492866 + ... + 855752468.

It is an arithmetic number, because the mean of its divisors is an integer number (27767533298460).

Almost surely, 2^{222122211221201} is an apocalyptic number.

It is an amenable number.

222122211221201 is a deficient number, since it is larger than the sum of its proper divisors (18055166479).

222122211221201 is a wasteful number, since it uses less digits than its factorization.

222122211221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325855.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 222122211221201 its reverse (102122112221222), we get a palindrome (324244323442423).

The spelling of 222122211221201 in words is "two hundred twenty-two trillion, one hundred twenty-two billion, two hundred eleven million, two hundred twenty-one thousand, two hundred one".