20121102012110 has 32 divisors (see below), whose sum is σ = 39510767412864. Its totient is φ = 7316719956000.

The previous prime is 20121102012059. The next prime is 20121102012139. The reversal of 20121102012110 is 1121020112102.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21678665 + ... + 22587755.

It is an arithmetic number, because the mean of its divisors is an integer number (1234711481652).

Almost surely, 2^{20121102012110} is an apocalyptic number.

20121102012110 is a deficient number, since it is larger than the sum of its proper divisors (19389665400754).

20121102012110 is a wasteful number, since it uses less digits than its factorization.

20121102012110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1110320.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20121102012110 its reverse (1121020112102), we get a palindrome (21242122124212).

The spelling of 20121102012110 in words is "twenty trillion, one hundred twenty-one billion, one hundred two million, twelve thousand, one hundred ten".