10111220120112 has 80 divisors (see below), whose sum is σ = 26559519820032. Its totient is φ = 3313964586240.

The previous prime is 10111220120083. The next prime is 10111220120119. The reversal of 10111220120112 is 21102102211101.

It is a happy number.

10111220120112 is digitally balanced in base 2, 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 = 10111220120091 and 10111220120100.

It is not an unprimeable number, because it can be changed into a prime (10111220120119) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1165908 + ... + 4645619.

Almost surely, 2^{10111220120112} is an apocalyptic number.

10111220120112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

10111220120112 is an abundant number, since it is smaller than the sum of its proper divisors (16448299699920).

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

10111220120112 is a wasteful number, since it uses less digits than its factorization.

10111220120112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5812146 (or 5812140 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 10111220120112 its reverse (21102102211101), we get a palindrome (31213322331213).

The spelling of 10111220120112 in words is "ten trillion, one hundred eleven billion, two hundred twenty million, one hundred twenty thousand, one hundred twelve".