21051024335132 has 48 divisors (see below), whose sum is σ = 40210965648000. Its totient is φ = 9563256816960.

The previous prime is 21051024335119. The next prime is 21051024335137. The reversal of 21051024335132 is 23153342015012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21051024335137) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 833922503 + ... + 833947745.

It is an arithmetic number, because the mean of its divisors is an integer number (837728451000).

Almost surely, 2^{21051024335132} is an apocalyptic number.

21051024335132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21051024335132 is a deficient number, since it is larger than the sum of its proper divisors (19159941312868).

21051024335132 is a wasteful number, since it uses less digits than its factorization.

21051024335132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35186 (or 35184 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 21051024335132 in words is "twenty-one trillion, fifty-one billion, twenty-four million, three hundred thirty-five thousand, one hundred thirty-two".