1130121111400 has 48 divisors (see below), whose sum is σ = 2641145827500. Its totient is φ = 449706209280.

The previous prime is 1130121111397. The next prime is 1130121111407. The reversal of 1130121111400 is 41111210311.

It can be written as a sum of positive squares in 6 ways, for example, as 292306747716 + 837814363684 = 540654^2 + 915322^2 .

It is not an unprimeable number, because it can be changed into a prime (1130121111407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14600275 + ... + 14677474.

Almost surely, 2^{1130121111400} is an apocalyptic number.

1130121111400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1130121111400 is an abundant number, since it is smaller than the sum of its proper divisors (1511024716100).

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

1130121111400 is a wasteful number, since it uses less digits than its factorization.

1130121111400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29277958 (or 29277949 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 1130121111400 its reverse (41111210311), we get a palindrome (1171232321711).

The spelling of 1130121111400 in words is "one trillion, one hundred thirty billion, one hundred twenty-one million, one hundred eleven thousand, four hundred".