2122222101 has 8 divisors (see below), whose sum is σ = 2848369344. Its totient is φ = 1405444800.

The previous prime is 2122222099. The next prime is 2122222127. The reversal of 2122222101 is 1012222212.

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

It is not a de Polignac number, because 2122222101 - 2¹ = 2122222099 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122222171) 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, 2341956 + ... + 2342861.

It is an arithmetic number, because the mean of its divisors is an integer number (356046168).

Almost surely, 2^2122222101 is an apocalyptic number.

It is an amenable number.

2122222101 is a deficient number, since it is larger than the sum of its proper divisors (726147243).

2122222101 is a wasteful number, since it uses less digits than its factorization.

2122222101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4684971.

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2122222101 is about 46067.5818879177. The cubic root of 2122222101 is about 1285.0803345235.

Adding to 2122222101 its reverse (1012222212), we get a palindrome (3134444313).

The spelling of 2122222101 in words is "two billion, one hundred twenty-two million, two hundred twenty-two thousand, one hundred one".