21224404102410 has 32 divisors (see below), whose sum is σ = 56598410940480. Its totient is φ = 5659841093904.

The previous prime is 21224404102361. The next prime is 21224404102459. The reversal of 21224404102410 is 1420140442212.

21224404102410 is a `hidden beast` number, since 2 + 1 + 2 + 2 + 4 + 4 + 0 + 410 + 241 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (21224404102361) and next prime (21224404102459).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39304451772 + ... + 39304452311.

It is an arithmetic number, because the mean of its divisors is an integer number (1768700341890).

Almost surely, 2^{21224404102410} is an apocalyptic number.

21224404102410 is an abundant number, since it is smaller than the sum of its proper divisors (35374006838070).

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

21224404102410 is a wasteful number, since it uses less digits than its factorization.

21224404102410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78608904099 (or 78608904093 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 21224404102410 its reverse (1420140442212), we get a palindrome (22644544544622).

The spelling of 21224404102410 in words is "twenty-one trillion, two hundred twenty-four billion, four hundred four million, one hundred two thousand, four hundred ten".