21433141113400 has 96 divisors (see below), whose sum is σ = 52559917200000. Its totient is φ = 8105755086720.

The previous prime is 21433141113323. The next prime is 21433141113401. The reversal of 21433141113400 is 431114133412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21433141113401) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3755404 + ... + 7547803.

It is an arithmetic number, because the mean of its divisors is an integer number (547499137500).

Almost surely, 2^{21433141113400} is an apocalyptic number.

21433141113400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21433141113400 is an abundant number, since it is smaller than the sum of its proper divisors (31126776086600).

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

21433141113400 is a wasteful number, since it uses less digits than its factorization.

21433141113400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11303741 (or 11303732 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 21433141113400 its reverse (431114133412), we get a palindrome (21864255246812).

The spelling of 21433141113400 in words is "twenty-one trillion, four hundred thirty-three billion, one hundred forty-one million, one hundred thirteen thousand, four hundred".