2126111202 has 24 divisors (see below), whose sum is σ = 4682094300. Its totient is φ = 697085280.

The previous prime is 2126111179. The next prime is 2126111209. The reversal of 2126111202 is 2021116212.

It can be written as a sum of positive squares in 2 ways, for example, as 1469265561 + 656845641 = 38331^2 + 25629^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (2126111209) 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 in 11 ways as a sum of consecutive naturals, for example, 967077 + ... + 969272.

Almost surely, 2^2126111202 is an apocalyptic number.

2126111202 is an abundant number, since it is smaller than the sum of its proper divisors (2555983098).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2126111202 is a wasteful number, since it uses less digits than its factorization.

2126111202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1936418 (or 1936415 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

The square root of 2126111202 is about 46109.7733891634. The cubic root of 2126111202 is about 1285.8648514358.

Adding to 2126111202 its reverse (2021116212), we get a palindrome (4147227414).

The spelling of 2126111202 in words is "two billion, one hundred twenty-six million, one hundred eleven thousand, two hundred two".