2122220022101 has 4 divisors (see below), whose sum is σ = 2153894947872. Its totient is φ = 2090545096332.

The previous prime is 2122220022029. The next prime is 2122220022133. The reversal of 2122220022101 is 1012200222212.

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 2122220022101 - 2³⁰ = 2121146280277 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 2122220022101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122220022191) 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, 15837462785 + ... + 15837462918.

It is an arithmetic number, because the mean of its divisors is an integer number (538473736968).

Almost surely, 2^{2122220022101} is an apocalyptic number.

It is an amenable number.

2122220022101 is a deficient number, since it is larger than the sum of its proper divisors (31674925771).

2122220022101 is an equidigital number, since it uses as much as digits as its factorization.

2122220022101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31674925770.

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

Adding to 2122220022101 its reverse (1012200222212), we get a palindrome (3134420244313).

The spelling of 2122220022101 in words is "two trillion, one hundred twenty-two billion, two hundred twenty million, twenty-two thousand, one hundred one".