20121002210110 has 16 divisors (see below), whose sum is σ = 36217855256976. Its totient is φ = 8048389488768.

The previous prime is 20121002210107. The next prime is 20121002210119. The reversal of 20121002210110 is 1101220012102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20121002210119) 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, 12169174 + ... + 13723366.

It is an arithmetic number, because the mean of its divisors is an integer number (2263615953561).

Almost surely, 2^{20121002210110} is an apocalyptic number.

20121002210110 is a deficient number, since it is larger than the sum of its proper divisors (16096853046866).

20121002210110 is a wasteful number, since it uses less digits than its factorization.

20121002210110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2848827.

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

Adding to 20121002210110 its reverse (1101220012102), we get a palindrome (21222222222212).

The spelling of 20121002210110 in words is "twenty trillion, one hundred twenty-one billion, two million, two hundred ten thousand, one hundred ten".