2120022201 has 16 divisors (see below), whose sum is σ = 3084596928. Its totient is φ = 1284475200.

The previous prime is 2120022193. The next prime is 2120022211. The reversal of 2120022201 is 1022200212.

It is not a de Polignac number, because 2120022201 - 2³ = 2120022193 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2120022211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 133075 + ... + 148151.

It is an arithmetic number, because the mean of its divisors is an integer number (192787308).

Almost surely, 2^2120022201 is an apocalyptic number.

It is an amenable number.

2120022201 is a deficient number, since it is larger than the sum of its proper divisors (964574727).

2120022201 is a wasteful number, since it uses less digits than its factorization.

2120022201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19352.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 2120022201 is about 46043.6988197082. The cubic root of 2120022201 is about 1284.6361419904.

Adding to 2120022201 its reverse (1022200212), we get a palindrome (3142222413).

The spelling of 2120022201 in words is "two billion, one hundred twenty million, twenty-two thousand, two hundred one".