2126421122 has 16 divisors (see below), whose sum is σ = 3730068672. Its totient is φ = 890129520.

The previous prime is 2126421091. The next prime is 2126421127. The reversal of 2126421122 is 2211246212.

It is not an unprimeable number, because it can be changed into a prime (2126421127) 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, 1765529 + ... + 1766732.

It is an arithmetic number, because the mean of its divisors is an integer number (233129292).

Almost surely, 2^2126421122 is an apocalyptic number.

2126421122 is a deficient number, since it is larger than the sum of its proper divisors (1603647550).

2126421122 is a wasteful number, since it uses less digits than its factorization.

2126421122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3532313.

The product of its digits is 768, while the sum is 23.

The square root of 2126421122 is about 46113.1339425114. The cubic root of 2126421122 is about 1285.9273279222.

Adding to 2126421122 its reverse (2211246212), we get a palindrome (4337667334).

The spelling of 2126421122 in words is "two billion, one hundred twenty-six million, four hundred twenty-one thousand, one hundred twenty-two".