2222222120001 has 32 divisors (see below), whose sum is σ = 3545905104000. Its totient is φ = 1367336355264.

The previous prime is 2222222119987. The next prime is 2222222120011. The reversal of 2222222120001 is 1000212222222.

2222222120001 is a `hidden beast` number, since 22 + 222 + 221 + 200 + 0 + 1 = 666.

It is not a de Polignac number, because 2222222120001 - 2¹¹ = 2222222117953 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2222222120011) 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, 2193715 + ... + 3042503.

It is an arithmetic number, because the mean of its divisors is an integer number (110809534500).

Almost surely, 2^{2222222120001} is an apocalyptic number.

It is an amenable number.

2222222120001 is a deficient number, since it is larger than the sum of its proper divisors (1323682983999).

2222222120001 is a wasteful number, since it uses less digits than its factorization.

2222222120001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 856270 (or 856264 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 2222222120001 its reverse (1000212222222), we get a palindrome (3222434342223).

The spelling of 2222222120001 in words is "two trillion, two hundred twenty-two billion, two hundred twenty-two million, one hundred twenty thousand, one".