1121210043140 has 48 divisors (see below), whose sum is σ = 2572384699584. Its totient is φ = 407110454400.

The previous prime is 1121210043137. The next prime is 1121210043193. The reversal of 1121210043140 is 413400121211.

It is a super-3 number, since 3×1121210043140³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 3615026 + ... + 3912905.

It is an arithmetic number, because the mean of its divisors is an integer number (53591347908).

Almost surely, 2^{1121210043140} is an apocalyptic number.

1121210043140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121210043140 is an abundant number, since it is smaller than the sum of its proper divisors (1451174656444).

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

1121210043140 is a wasteful number, since it uses less digits than its factorization.

1121210043140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7528628 (or 7528626 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 1121210043140 its reverse (413400121211), we get a palindrome (1534610164351).

The spelling of 1121210043140 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, forty-three thousand, one hundred forty".