1121432211400 has 48 divisors (see below), whose sum is σ = 2646245294640. Its totient is φ = 441877761600.

The previous prime is 1121432211391. The next prime is 1121432211433. The reversal of 1121432211400 is 41122341211.

It is a super-2 number, since 2×1121432211400² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41831086 + ... + 41857885.

It is an arithmetic number, because the mean of its divisors is an integer number (55130110305).

Almost surely, 2^{1121432211400} is an apocalyptic number.

1121432211400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1121432211400 is an abundant number, since it is smaller than the sum of its proper divisors (1524813083240).

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

1121432211400 is a wasteful number, since it uses less digits than its factorization.

1121432211400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83689054 (or 83689045 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 1121432211400 its reverse (41122341211), we get a palindrome (1162554552611).

The spelling of 1121432211400 in words is "one trillion, one hundred twenty-one billion, four hundred thirty-two million, two hundred eleven thousand, four hundred".