21341100531040 has 24 divisors (see below), whose sum is σ = 50418350004960. Its totient is φ = 8536440212352.

The previous prime is 21341100530933. The next prime is 21341100531083. The reversal of 21341100531040 is 4013500114312.

It is a junction number, because it is equal to n+sod(n) for n = 21341100530996 and 21341100531014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66690939000 + ... + 66690939319.

It is an arithmetic number, because the mean of its divisors is an integer number (2100764583540).

Almost surely, 2^{21341100531040} is an apocalyptic number.

21341100531040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21341100531040 is an abundant number, since it is smaller than the sum of its proper divisors (29077249473920).

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

21341100531040 is a wasteful number, since it uses less digits than its factorization.

21341100531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133381878334 (or 133381878326 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

Adding to 21341100531040 its reverse (4013500114312), we get a palindrome (25354600645352).

The spelling of 21341100531040 in words is "twenty-one trillion, three hundred forty-one billion, one hundred million, five hundred thirty-one thousand, forty".