2120011222001 has 8 divisors (see below), whose sum is σ = 2160196711200. Its totient is φ = 2080189402720.

The previous prime is 2120011221893. The next prime is 2120011222003. The reversal of 2120011222001 is 1002221100212.

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 2120011222001 - 2³⁸ = 1845133315057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2120011222003) 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, 90905711 + ... + 90929028.

It is an arithmetic number, because the mean of its divisors is an integer number (270024588900).

Almost surely, 2^{2120011222001} is an apocalyptic number.

It is an amenable number.

2120011222001 is a deficient number, since it is larger than the sum of its proper divisors (40185489199).

2120011222001 is a wasteful number, since it uses less digits than its factorization.

2120011222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181834959.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2120011222001 its reverse (1002221100212), we get a palindrome (3122232322213).

The spelling of 2120011222001 in words is "two trillion, one hundred twenty billion, eleven million, two hundred twenty-two thousand, one".