2122210212201 has 12 divisors (see below), whose sum is σ = 3123252765828. Its totient is φ = 1388112339744.

The previous prime is 2122210212197. The next prime is 2122210212217. The reversal of 2122210212201 is 1022120122212.

It is a happy number.

2122210212201 is a `hidden beast` number, since 21 + 22 + 210 + 212 + 201 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1580109336576 + 542100875625 = 1257024^2 + 736275^2 .

It is not a de Polignac number, because 2122210212201 - 2² = 2122210212197 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2122210212901) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2224538530 + ... + 2224539483.

It is an arithmetic number, because the mean of its divisors is an integer number (260271063819).

Almost surely, 2^{2122210212201} is an apocalyptic number.

It is an amenable number.

2122210212201 is a deficient number, since it is larger than the sum of its proper divisors (1001042553627).

2122210212201 is a wasteful number, since it uses less digits than its factorization.

2122210212201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4449078072 (or 4449078069 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 2122210212201 its reverse (1022120122212), we get a palindrome (3144330334413).

The spelling of 2122210212201 in words is "two trillion, one hundred twenty-two billion, two hundred ten million, two hundred twelve thousand, two hundred one".