21411024245202 has 16 divisors (see below), whose sum is σ = 42988671250272. Its totient is φ = 7109237621760.

The previous prime is 21411024245153. The next prime is 21411024245207. The reversal of 21411024245202 is 20254242011412.

It is a self number, because there is not a number n which added to its sum of digits gives 21411024245202.

It is not an unprimeable number, because it can be changed into a prime (21411024245207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6942613324 + ... + 6942616407.

It is an arithmetic number, because the mean of its divisors is an integer number (2686791953142).

Almost surely, 2^{21411024245202} is an apocalyptic number.

21411024245202 is an abundant number, since it is smaller than the sum of its proper divisors (21577647005070).

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

21411024245202 is a wasteful number, since it uses less digits than its factorization.

21411024245202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13885229993.

The product of its (nonzero) digits is 10240, while the sum is 30.

Adding to 21411024245202 its reverse (20254242011412), we get a palindrome (41665266256614).

The spelling of 21411024245202 in words is "twenty-one trillion, four hundred eleven billion, twenty-four million, two hundred forty-five thousand, two hundred two".