20121010010110 has 32 divisors (see below), whose sum is σ = 37238084360064. Its totient is φ = 7823126880000.

The previous prime is 20121010010063. The next prime is 20121010010219. The reversal of 20121010010110 is 1101001012102.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90434341 + ... + 90656560.

It is an arithmetic number, because the mean of its divisors is an integer number (1163690136252).

Almost surely, 2^{20121010010110} is an apocalyptic number.

20121010010110 is a deficient number, since it is larger than the sum of its proper divisors (17117074349954).

20121010010110 is a wasteful number, since it uses less digits than its factorization.

20121010010110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181091220.

The product of its (nonzero) digits is 4, while the sum is 10.

Adding to 20121010010110 its reverse (1101001012102), we get a palindrome (21222011022212).

The spelling of 20121010010110 in words is "twenty trillion, one hundred twenty-one billion, ten million, ten thousand, one hundred ten".