21402111000032 has 24 divisors (see below), whose sum is σ = 48154749750576. Its totient is φ = 9172333285632.

The previous prime is 21402111000031. The next prime is 21402111000073. The reversal of 21402111000032 is 23000011120412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21402111000031) 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 3 ways as a sum of consecutive naturals, for example, 47772568973 + ... + 47772569420.

It is an arithmetic number, because the mean of its divisors is an integer number (2006447906274).

Almost surely, 2^{21402111000032} is an apocalyptic number.

It is an amenable number.

21402111000032 is an abundant number, since it is smaller than the sum of its proper divisors (26752638750544).

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

21402111000032 is an equidigital number, since it uses as much as digits as its factorization.

21402111000032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95545138410 (or 95545138402 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 21402111000032 its reverse (23000011120412), we get a palindrome (44402122120444).

The spelling of 21402111000032 in words is "twenty-one trillion, four hundred two billion, one hundred eleven million, thirty-two", and thus it is an aban number.