1222221101201 has 8 divisors (see below), whose sum is σ = 1317927760800. Its totient is φ = 1129652364960.

The previous prime is 1222221101161. The next prime is 1222221101209. The reversal of 1222221101201 is 1021011222221.

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 1222221101201 - 2¹⁸ = 1222220839057 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 1222221101201.

It is not an unprimeable number, because it can be changed into a prime (1222221101209) 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, 784480031 + ... + 784481588.

It is an arithmetic number, because the mean of its divisors is an integer number (164740970100).

Almost surely, 2^{1222221101201} is an apocalyptic number.

It is an amenable number.

1222221101201 is a deficient number, since it is larger than the sum of its proper divisors (95706659599).

1222221101201 is a wasteful number, since it uses less digits than its factorization.

1222221101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1568961679.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1222221101201 its reverse (1021011222221), we get a palindrome (2243232323422).

The spelling of 1222221101201 in words is "one trillion, two hundred twenty-two billion, two hundred twenty-one million, one hundred one thousand, two hundred one".