2121202202110 has 32 divisors (see below), whose sum is σ = 3933179791200. Its totient is φ = 823186670208.

The previous prime is 2121202202099. The next prime is 2121202202117. The reversal of 2121202202110 is 112022021212.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2121202202117) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16489717 + ... + 16617856.

It is an arithmetic number, because the mean of its divisors is an integer number (122911868475).

Almost surely, 2^{2121202202110} is an apocalyptic number.

2121202202110 is a deficient number, since it is larger than the sum of its proper divisors (1811977589090).

2121202202110 is a wasteful number, since it uses less digits than its factorization.

2121202202110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33107772.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2121202202110 its reverse (112022021212), we get a palindrome (2233224223322).

The spelling of 2121202202110 in words is "two trillion, one hundred twenty-one billion, two hundred two million, two hundred two thousand, one hundred ten".