112120111212210 has 24 divisors (see below), whose sum is σ = 291512289151980. Its totient is φ = 29898696323232.

The previous prime is 112120111212191. The next prime is 112120111212211. The reversal of 112120111212210 is 12212111021211.

It is a happy number.

112120111212210 is a `hidden beast` number, since 1 + 12 + 120 + 111 + 212 + 210 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 111800995812801 + 319115399409 = 10573599^2 + 564903^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (112120111212211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 622889506645 + ... + 622889506824.

Almost surely, 2^{112120111212210} is an apocalyptic number.

112120111212210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

112120111212210 is an abundant number, since it is smaller than the sum of its proper divisors (179392177939770).

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

112120111212210 is a wasteful number, since it uses less digits than its factorization.

112120111212210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1245779013482 (or 1245779013479 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 112120111212210 its reverse (12212111021211), we get a palindrome (124332222233421).

The spelling of 112120111212210 in words is "one hundred twelve trillion, one hundred twenty billion, one hundred eleven million, two hundred twelve thousand, two hundred ten".