10111001220112 has 20 divisors (see below), whose sum is σ = 21096992930860. Its totient is φ = 4666615947648.

The previous prime is 10111001220109. The next prime is 10111001220209. The reversal of 10111001220112 is 21102210011101.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1585745821696 + 8525255398416 = 1259264^2 + 2919804^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is a junction number, because it is equal to n+sod(n) for n = 10111001220092 and 10111001220101.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24305291187 + ... + 24305291602.

It is an arithmetic number, because the mean of its divisors is an integer number (1054849646543).

Almost surely, 2^{10111001220112} is an apocalyptic number.

It is an amenable number.

10111001220112 is an abundant number, since it is smaller than the sum of its proper divisors (10985991710748).

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

10111001220112 is a wasteful number, since it uses less digits than its factorization.

10111001220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48610582810 (or 48610582804 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 10111001220112 its reverse (21102210011101), we get a palindrome (31213211231213).

The spelling of 10111001220112 in words is "ten trillion, one hundred eleven billion, one million, two hundred twenty thousand, one hundred twelve".