20121002010110 has 16 divisors (see below), whose sum is σ = 36333515456496. Its totient is φ = 8022687062208.

The previous prime is 20121002010071. The next prime is 20121002010199. The reversal of 20121002010110 is 1101020012102.

It is a junction number, because it is equal to n+sod(n) for n = 20121002010091 and 20121002010100.

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, 3214214444 + ... + 3214220703.

It is an arithmetic number, because the mean of its divisors is an integer number (2270844716031).

Almost surely, 2^{20121002010110} is an apocalyptic number.

20121002010110 is a deficient number, since it is larger than the sum of its proper divisors (16212513446386).

20121002010110 is a wasteful number, since it uses less digits than its factorization.

20121002010110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6428435467.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 20121002010110 its reverse (1101020012102), we get a palindrome (21222022022212).

The spelling of 20121002010110 in words is "twenty trillion, one hundred twenty-one billion, two million, ten thousand, one hundred ten".