2212121202 has 16 divisors (see below), whose sum is σ = 4496771712. Its totient is φ = 725285520.

The previous prime is 2212121167. The next prime is 2212121203. The reversal of 2212121202 is 2021212122.

It is not an unprimeable number, because it can be changed into a prime (2212121203) 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, 3021658 + ... + 3022389.

It is an arithmetic number, because the mean of its divisors is an integer number (281048232).

Almost surely, 2^2212121202 is an apocalyptic number.

2212121202 is an abundant number, since it is smaller than the sum of its proper divisors (2284650510).

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

2212121202 is a wasteful number, since it uses less digits than its factorization.

2212121202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6044113.

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

The square root of 2212121202 is about 47033.1925558961. The cubic root of 2212121202 is about 1302.9756691685.

Adding to 2212121202 its reverse (2021212122), we get a palindrome (4233333324).

It can be divided in two parts, 221212120 and 2, that added together give a palindrome (221212122).

The spelling of 2212121202 in words is "two billion, two hundred twelve million, one hundred twenty-one thousand, two hundred two".