21410351243112 has 64 divisors (see below), whose sum is σ = 57652462385280. Its totient is φ = 6586747921152.

The previous prime is 21410351243107. The next prime is 21410351243143. The reversal of 21410351243112 is 21134215301412.

It is a self number, because there is not a number n which added to its sum of digits gives 21410351243112.

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, 3524383 + ... + 7432494.

It is an arithmetic number, because the mean of its divisors is an integer number (900819724770).

Almost surely, 2^{21410351243112} is an apocalyptic number.

It is an amenable number.

21410351243112 is an abundant number, since it is smaller than the sum of its proper divisors (36242111142168).

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

21410351243112 is a wasteful number, since it uses less digits than its factorization.

21410351243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10963162 (or 10963158 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 21410351243112 its reverse (21134215301412), we get a palindrome (42544566544524).

The spelling of 21410351243112 in words is "twenty-one trillion, four hundred ten billion, three hundred fifty-one million, two hundred forty-three thousand, one hundred twelve".