21233131000011 has 96 divisors (see below), whose sum is σ = 37312571058048. Its totient is φ = 11358240768000.

The previous prime is 21233130999973. The next prime is 21233131000019. The reversal of 21233131000011 is 11000013133212.

21233131000011 is a `hidden beast` number, since 2 + 12 + 331 + 310 + 0 + 0 + 0 + 11 = 666.

It is not a de Polignac number, because 21233131000011 - 2⁶ = 21233130999947 is a prime.

It is not an unprimeable number, because it can be changed into a prime (21233131000019) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 844146411 + ... + 844171563.

It is an arithmetic number, because the mean of its divisors is an integer number (388672615188).

Almost surely, 2^{21233131000011} is an apocalyptic number.

21233131000011 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

21233131000011 is a deficient number, since it is larger than the sum of its proper divisors (16079440058037).

21233131000011 is a wasteful number, since it uses less digits than its factorization.

21233131000011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29381 (or 29378 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 21233131000011 its reverse (11000013133212), we get a palindrome (32233144133223).

The spelling of 21233131000011 in words is "twenty-one trillion, two hundred thirty-three billion, one hundred thirty-one million, eleven", and thus it is an aban number.