2122201100121 has 8 divisors (see below), whose sum is σ = 2829608291040. Its totient is φ = 1414797321312.

The previous prime is 2122201100119. The next prime is 2122201100137. The reversal of 2122201100121 is 1210011022212.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2122201100121 - 2¹ = 2122201100119 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2122201100121.

It is not an unprimeable number, because it can be changed into a prime (2122201100111) 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, 1634470 + ... + 2629808.

It is an arithmetic number, because the mean of its divisors is an integer number (353701036380).

Almost surely, 2^{2122201100121} is an apocalyptic number.

It is an amenable number.

2122201100121 is a deficient number, since it is larger than the sum of its proper divisors (707407190919).

2122201100121 is an equidigital number, since it uses as much as digits as its factorization.

2122201100121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1706055.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 2122201100121 its reverse (1210011022212), we get a palindrome (3332212122333).

The spelling of 2122201100121 in words is "two trillion, one hundred twenty-two billion, two hundred one million, one hundred thousand, one hundred twenty-one".