2120222201201 has 8 divisors (see below), whose sum is σ = 2284993911144. Its totient is φ = 1955690161920.

The previous prime is 2120222201197. The next prime is 2120222201219. The reversal of 2120222201201 is 1021022220212.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 55885432801 + 2064336768400 = 236401^2 + 1436780^2 .

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 2120222201201 - 2² = 2120222201197 is a prime.

It is a super-2 number, since 2×2120222201201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2120222201201.

It is not an unprimeable number, because it can be changed into a prime (2120222201101) 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, 59899286 + ... + 59934671.

It is an arithmetic number, because the mean of its divisors is an integer number (285624238893).

Almost surely, 2^{2120222201201} is an apocalyptic number.

It is an amenable number.

2120222201201 is a deficient number, since it is larger than the sum of its proper divisors (164771709943).

2120222201201 is a wasteful number, since it uses less digits than its factorization.

2120222201201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119835331.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2120222201201 its reverse (1021022220212), we get a palindrome (3141244421413).

The spelling of 2120222201201 in words is "two trillion, one hundred twenty billion, two hundred twenty-two million, two hundred one thousand, two hundred one".