1222111202001 has 32 divisors (see below), whose sum is σ = 1658622873600. Its totient is φ = 800261468160.

The previous prime is 1222111201999. The next prime is 1222111202021. The reversal of 1222111202001 is 1002021112221.

It is not a de Polignac number, because 1222111202001 - 2¹ = 1222111201999 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1222111202021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68622040 + ... + 68639846.

It is an arithmetic number, because the mean of its divisors is an integer number (51831964800).

Almost surely, 2^{1222111202001} is an apocalyptic number.

It is an amenable number.

1222111202001 is a deficient number, since it is larger than the sum of its proper divisors (436511671599).

1222111202001 is a wasteful number, since it uses less digits than its factorization.

1222111202001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19069.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222111202001 its reverse (1002021112221), we get a palindrome (2224132314222).

The spelling of 1222111202001 in words is "one trillion, two hundred twenty-two billion, one hundred eleven million, two hundred two thousand, one".