2122120021201 has 8 divisors (see below), whose sum is σ = 2123553739424. Its totient is φ = 2120686777440.

The previous prime is 2122120021183. The next prime is 2122120021271. The reversal of 2122120021201 is 1021200212212.

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 2122120021201 - 2⁵ = 2122120021169 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2122120021271) 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, 9068470 + ... + 9299536.

It is an arithmetic number, because the mean of its divisors is an integer number (265444217428).

Almost surely, 2^{2122120021201} is an apocalyptic number.

It is an amenable number.

2122120021201 is a deficient number, since it is larger than the sum of its proper divisors (1433718223).

2122120021201 is a wasteful number, since it uses less digits than its factorization.

2122120021201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 237231.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2122120021201 its reverse (1021200212212), we get a palindrome (3143320233413).

The spelling of 2122120021201 in words is "two trillion, one hundred twenty-two billion, one hundred twenty million, twenty-one thousand, two hundred one".