20110122102012 has 24 divisors (see below), whose sum is σ = 46923768210816. Its totient is φ = 6703352609328.

The previous prime is 20110122102001. The next prime is 20110122102067. The reversal of 20110122102012 is 21020122101102.

It is a junction number, because it is equal to n+sod(n) for n = 20110122101982 and 20110122102000.

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, 1492753 + ... + 6515255.

It is an arithmetic number, because the mean of its divisors is an integer number (1955157008784).

Almost surely, 2^{20110122102012} is an apocalyptic number.

It is an amenable number.

20110122102012 is an abundant number, since it is smaller than the sum of its proper divisors (26813646108804).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

20110122102012 is a wasteful number, since it uses less digits than its factorization.

20110122102012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5356177 (or 5356175 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 20110122102012 its reverse (21020122101102), we get a palindrome (41130244203114).

The spelling of 20110122102012 in words is "twenty trillion, one hundred ten billion, one hundred twenty-two million, one hundred two thousand, twelve".