2120122201 has 8 divisors (see below), whose sum is σ = 2279191680. Its totient is φ = 1965801168.

The previous prime is 2120122189. The next prime is 2120122211. The reversal of 2120122201 is 1022210212.

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 2120122201 - 2⁷ = 2120122073 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120122211) 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, 1186186 + ... + 1187971.

It is an arithmetic number, because the mean of its divisors is an integer number (284898960).

Almost surely, 2^2120122201 is an apocalyptic number.

It is an amenable number.

2120122201 is a deficient number, since it is larger than the sum of its proper divisors (159069479).

2120122201 is a wasteful number, since it uses less digits than its factorization.

2120122201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2374223.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2120122201 is about 46044.7847318239. The cubic root of 2120122201 is about 1284.6563401428.

Adding to 2120122201 its reverse (1022210212), we get a palindrome (3142332413).

The spelling of 2120122201 in words is "two billion, one hundred twenty million, one hundred twenty-two thousand, two hundred one".