2121202210052 has 12 divisors (see below), whose sum is σ = 3791084801280. Its totient is φ = 1038035123976.

The previous prime is 2121202210051. The next prime is 2121202210117. The reversal of 2121202210052 is 2500122021212.

It is not an unprimeable number, because it can be changed into a prime (2121202210051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5641495052 + ... + 5641495427.

It is an arithmetic number, because the mean of its divisors is an integer number (315923733440).

Almost surely, 2^{2121202210052} is an apocalyptic number.

It is an amenable number.

2121202210052 is a deficient number, since it is larger than the sum of its proper divisors (1669882591228).

2121202210052 is a wasteful number, since it uses less digits than its factorization.

2121202210052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11282990530 (or 11282990528 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

Adding to 2121202210052 its reverse (2500122021212), we get a palindrome (4621324231264).

The spelling of 2121202210052 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred ten thousand, fifty-two".