2122242101 has 4 divisors (see below), whose sum is σ = 2425419552. Its totient is φ = 1819064652.

The previous prime is 2122242077. The next prime is 2122242149. The reversal of 2122242101 is 1012422212.

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 2122242101 - 2¹⁸ = 2121979957 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 2122242101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2122242151) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 151588715 + ... + 151588728.

It is an arithmetic number, because the mean of its divisors is an integer number (606354888).

Almost surely, 2^2122242101 is an apocalyptic number.

It is an amenable number.

2122242101 is a deficient number, since it is larger than the sum of its proper divisors (303177451).

2122242101 is an equidigital number, since it uses as much as digits as its factorization.

2122242101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 303177450.

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

The square root of 2122242101 is about 46067.7989597940. The cubic root of 2122242101 is about 1285.0843714126.

Adding to 2122242101 its reverse (1012422212), we get a palindrome (3134664313).

The spelling of 2122242101 in words is "two billion, one hundred twenty-two million, two hundred forty-two thousand, one hundred one".