1222201020001 has 8 divisors (see below), whose sum is σ = 1316230235264. Its totient is φ = 1128173769360.

The previous prime is 1222201019981. The next prime is 1222201020017. The reversal of 1222201020001 is 1000201022221.

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 1222201020001 - 2⁵ = 1222201019969 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1222201020041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 959656 + ... + 1834486.

It is an arithmetic number, because the mean of its divisors is an integer number (164528779408).

Almost surely, 2^{1222201020001} is an apocalyptic number.

It is an amenable number.

1222201020001 is a deficient number, since it is larger than the sum of its proper divisors (94029215263).

1222201020001 is a wasteful number, since it uses less digits than its factorization.

1222201020001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 982311.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1222201020001 its reverse (1000201022221), we get a palindrome (2222402042222).

The spelling of 1222201020001 in words is "one trillion, two hundred twenty-two billion, two hundred one million, twenty thousand, one".