222120012221201 has 16 divisors (see below), whose sum is σ = 228298892912640. Its totient is φ = 216025600499280.

The previous prime is 222120012221197. The next prime is 222120012221207. The reversal of 222120012221201 is 102122210021222.

It is a cyclic number.

It is not a de Polignac number, because 222120012221201 - 2² = 222120012221197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222120012221207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120885380 + ... + 122709066.

It is an arithmetic number, because the mean of its divisors is an integer number (14268680807040).

Almost surely, 2^{222120012221201} is an apocalyptic number.

It is an amenable number.

222120012221201 is a deficient number, since it is larger than the sum of its proper divisors (6178880691439).

222120012221201 is a wasteful number, since it uses less digits than its factorization.

222120012221201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1846844.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 222120012221201 its reverse (102122210021222), we get a palindrome (324242222242423).

The spelling of 222120012221201 in words is "two hundred twenty-two trillion, one hundred twenty billion, twelve million, two hundred twenty-one thousand, two hundred one".