1222201220201 has 8 divisors (see below), whose sum is σ = 1373443512000. Its totient is φ = 1079134187472.

The previous prime is 1222201220189. The next prime is 1222201220231. The reversal of 1222201220201 is 1020221022221.

It is a happy number.

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 1222201220201 - 2¹⁰ = 1222201219177 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 1222201220201.

It is not an unprimeable number, because it can be changed into a prime (1222201220231) 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, 2043814451 + ... + 2043815048.

It is an arithmetic number, because the mean of its divisors is an integer number (171680439000).

Almost surely, 2^{1222201220201} is an apocalyptic number.

It is an amenable number.

1222201220201 is a deficient number, since it is larger than the sum of its proper divisors (151242291799).

1222201220201 is a wasteful number, since it uses less digits than its factorization.

1222201220201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4087629535.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1222201220201 its reverse (1020221022221), we get a palindrome (2242422242422).

The spelling of 1222201220201 in words is "one trillion, two hundred twenty-two billion, two hundred one million, two hundred twenty thousand, two hundred one".