21411013000 has 64 divisors (see below), whose sum is σ = 53955785520. Its totient is φ = 7905600000.

The previous prime is 21411012979. The next prime is 21411013027. The reversal of 21411013000 is 31011412.

It can be written as a sum of positive squares in 8 ways, for example, as 89756676 + 21321256324 = 9474^2 + 146018^2 .

It is a Harshad number since it is a multiple of its sum of digits (13).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 810501 + ... + 836500.

Almost surely, 2^21411013000 is an apocalyptic number.

21411013000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

21411013000 is an abundant number, since it is smaller than the sum of its proper divisors (32544772520).

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

21411013000 is a wasteful number, since it uses less digits than its factorization.

21411013000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1647035 (or 1647021 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 21411013000 its reverse (31011412), we get a palindrome (21442024412).

The spelling of 21411013000 in words is "twenty-one billion, four hundred eleven million, thirteen thousand".