20110102111220 has 48 divisors (see below), whose sum is σ = 46077593942016. Its totient is φ = 7311625008000.

The previous prime is 20110102111213. The next prime is 20110102111303. The reversal of 20110102111220 is 2211120101102.

20110102111220 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 20110102111195 and 20110102111204.

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, 5705396 + ... + 8530635.

It is an arithmetic number, because the mean of its divisors is an integer number (959949873792).

Almost surely, 2^{20110102111220} is an apocalyptic number.

20110102111220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20110102111220 is an abundant number, since it is smaller than the sum of its proper divisors (25967491830796).

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

20110102111220 is a wasteful number, since it uses less digits than its factorization.

20110102111220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242472 (or 14242470 counting only the distinct ones).

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

Adding to 20110102111220 its reverse (2211120101102), we get a palindrome (22321222212322).

The spelling of 20110102111220 in words is "twenty trillion, one hundred ten billion, one hundred two million, one hundred eleven thousand, two hundred twenty".