112121001120 has 48 divisors (see below), whose sum is σ = 353181155040. Its totient is φ = 29898933504.

The previous prime is 112121001107. The next prime is 112121001121. The reversal of 112121001120 is 21100121211.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×112121001120² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 112121001096 and 112121001105.

It is not an unprimeable number, because it can be changed into a prime (112121001121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116792230 + ... + 116793189.

It is an arithmetic number, because the mean of its divisors is an integer number (7357940730).

Almost surely, 2^112121001120 is an apocalyptic number.

112121001120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

112121001120 is an abundant number, since it is smaller than the sum of its proper divisors (241060153920).

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

112121001120 is a wasteful number, since it uses less digits than its factorization.

112121001120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233585437 (or 233585429 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 112121001120 its reverse (21100121211), we get a palindrome (133221122331).

The spelling of 112121001120 in words is "one hundred twelve billion, one hundred twenty-one million, one thousand, one hundred twenty".