2131422122 has 4 divisors (see below), whose sum is σ = 3197133186. Its totient is φ = 1065711060.

The previous prime is 2131422103. The next prime is 2131422127. The reversal of 2131422122 is 2212241312.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2068521361 + 62900761 = 45481^2 + 7931^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2131422094 and 2131422103.

It is not an unprimeable number, because it can be changed into a prime (2131422127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532855529 + ... + 532855532.

Almost surely, 2^2131422122 is an apocalyptic number.

2131422122 is a deficient number, since it is larger than the sum of its proper divisors (1065711064).

2131422122 is a wasteful number, since it uses less digits than its factorization.

2131422122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1065711063.

The product of its digits is 384, while the sum is 20.

The square root of 2131422122 is about 46167.3274296878. The cubic root of 2131422122 is about 1286.9346366469.

Adding to 2131422122 its reverse (2212241312), we get a palindrome (4343663434).

The spelling of 2131422122 in words is "two billion, one hundred thirty-one million, four hundred twenty-two thousand, one hundred twenty-two".