21015341104 has 40 divisors (see below), whose sum is σ = 42347120960. Its totient is φ = 10094243328.

The previous prime is 21015341041. The next prime is 21015341119. The reversal of 21015341104 is 40114351012.

It is a super-3 number, since 3×21015341104³ (a number of 32 digits) contains 333 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, 177909 + ... + 271444.

It is an arithmetic number, because the mean of its divisors is an integer number (1058678024).

Almost surely, 2^21015341104 is an apocalyptic number.

It is an amenable number.

21015341104 is an abundant number, since it is smaller than the sum of its proper divisors (21331779856).

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

21015341104 is a wasteful number, since it uses less digits than its factorization.

21015341104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 449477 (or 449471 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 21015341104 its reverse (40114351012), we get a palindrome (61129692116).

The spelling of 21015341104 in words is "twenty-one billion, fifteen million, three hundred forty-one thousand, one hundred four".