1112201121000 has 128 divisors (see below), whose sum is σ = 3502499045760. Its totient is φ = 293815040000.

The previous prime is 1112201120999. The next prime is 1112201121139. The reversal of 1112201121000 is 1211022111.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1411401 + ... + 2053400.

It is an arithmetic number, because the mean of its divisors is an integer number (27363273795).

Almost surely, 2^{1112201121000} is an apocalyptic number.

1112201121000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1112201121000 is an abundant number, since it is smaller than the sum of its proper divisors (2390297924760).

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

1112201121000 is a wasteful number, since it uses less digits than its factorization.

1112201121000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3464932 (or 3464918 counting only the distinct ones).

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

Adding to 1112201121000 its reverse (1211022111), we get a palindrome (1113412143111).

The spelling of 1112201121000 in words is "one trillion, one hundred twelve billion, two hundred one million, one hundred twenty-one thousand".