1121210240140 has 24 divisors (see below), whose sum is σ = 2393140547952. Its totient is φ = 441131897280.

The previous prime is 1121210240119. The next prime is 1121210240159. The reversal of 1121210240140 is 410420121211.

It is a happy number.

It is a super-2 number, since 2×1121210240140² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 459511174 + ... + 459513613.

It is an arithmetic number, because the mean of its divisors is an integer number (99714189498).

Almost surely, 2^{1121210240140} is an apocalyptic number.

1121210240140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121210240140 is an abundant number, since it is smaller than the sum of its proper divisors (1271930307812).

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

1121210240140 is a wasteful number, since it uses less digits than its factorization.

1121210240140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 919024857 (or 919024855 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 19.

Adding to 1121210240140 its reverse (410420121211), we get a palindrome (1531630361351).

The spelling of 1121210240140 in words is "one trillion, one hundred twenty-one billion, two hundred ten million, two hundred forty thousand, one hundred forty".