1222202120001 has 16 divisors (see below), whose sum is σ = 1746250519104. Its totient is φ = 757632495104.

The previous prime is 1222202119951. The next prime is 1222202120033. The reversal of 1222202120001 is 1000212022221.

It is a cyclic number.

It is not a de Polignac number, because 1222202120001 - 2⁶ = 1222202119937 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1222202120501) 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, 144361716 + ... + 144370181.

It is an arithmetic number, because the mean of its divisors is an integer number (109140657444).

Almost surely, 2^{1222202120001} is an apocalyptic number.

It is an amenable number.

1222202120001 is a deficient number, since it is larger than the sum of its proper divisors (524048399103).

1222202120001 is a wasteful number, since it uses less digits than its factorization.

1222202120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 288732000.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1222202120001 its reverse (1000212022221), we get a palindrome (2222414142222).

The spelling of 1222202120001 in words is "one trillion, two hundred twenty-two billion, two hundred two million, one hundred twenty thousand, one".