21011300002132 has 24 divisors (see below), whose sum is σ = 40118190749280. Its totient is φ = 9549231641760.

The previous prime is 21011300002117. The next prime is 21011300002139. The reversal of 21011300002132 is 23120000311012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21011300002139) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33669007 + ... + 34287382.

It is an arithmetic number, because the mean of its divisors is an integer number (1671591281220).

Almost surely, 2^{21011300002132} is an apocalyptic number.

21011300002132 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

21011300002132 is a deficient number, since it is larger than the sum of its proper divisors (19106890747148).

21011300002132 is a wasteful number, since it uses less digits than its factorization.

21011300002132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67963431 (or 67963429 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 21011300002132 its reverse (23120000311012), we get a palindrome (44131300313144).

The spelling of 21011300002132 in words is "twenty-one trillion, eleven billion, three hundred million, two thousand, one hundred thirty-two".