2121201020110 has 16 divisors (see below), whose sum is σ = 3819569242896. Its totient is φ = 848167651008.

The previous prime is 2121201020023. The next prime is 2121201020143. The reversal of 2121201020110 is 110201021212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39066144 + ... + 39120403.

It is an arithmetic number, because the mean of its divisors is an integer number (238723077681).

Almost surely, 2^{2121201020110} is an apocalyptic number.

2121201020110 is a deficient number, since it is larger than the sum of its proper divisors (1698368222786).

2121201020110 is a wasteful number, since it uses less digits than its factorization.

2121201020110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78189267.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 2121201020110 its reverse (110201021212), we get a palindrome (2231402041322).

The spelling of 2121201020110 in words is "two trillion, one hundred twenty-one billion, two hundred one million, twenty thousand, one hundred ten".