1112121122000 has 80 divisors (see below), whose sum is σ = 3073267322112. Its totient is φ = 381298665600.

The previous prime is 1112121121999. The next prime is 1112121122137. The reversal of 1112121122000 is 2211212111.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (14).

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, 39704612 + ... + 39732611.

Almost surely, 2^{1112121122000} is an apocalyptic number.

1112121122000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112121122000 is an abundant number, since it is smaller than the sum of its proper divisors (1961146200112).

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

1112121122000 is an equidigital number, since it uses as much as digits as its factorization.

1112121122000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79437253 (or 79437237 counting only the distinct ones).

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

Adding to 1112121122000 its reverse (2211212111), we get a palindrome (1114332334111).

The spelling of 1112121122000 in words is "one trillion, one hundred twelve billion, one hundred twenty-one million, one hundred twenty-two thousand".