2122100222201 has 4 divisors (see below), whose sum is σ = 2233789707600. Its totient is φ = 2010410736804.

The previous prime is 2122100222197. The next prime is 2122100222261. The reversal of 2122100222201 is 1022220012212.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2122100222201 - 2² = 2122100222197 is a prime.

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 2122100222201.

It is not an unprimeable number, because it can be changed into a prime (2122100222261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55844742671 + ... + 55844742708.

It is an arithmetic number, because the mean of its divisors is an integer number (558447426900).

Almost surely, 2^{2122100222201} is an apocalyptic number.

It is an amenable number.

2122100222201 is a deficient number, since it is larger than the sum of its proper divisors (111689485399).

2122100222201 is a wasteful number, since it uses less digits than its factorization.

2122100222201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111689485398.

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

Adding to 2122100222201 its reverse (1022220012212), we get a palindrome (3144320234413).

The spelling of 2122100222201 in words is "two trillion, one hundred twenty-two billion, one hundred million, two hundred twenty-two thousand, two hundred one".