133021132321 has 24 divisors (see below), whose sum is σ = 168376646592. Its totient is φ = 102861501600.

The previous prime is 133021132297. The next prime is 133021132331. The reversal of 133021132321 is 123231120331.

It is not a de Polignac number, because 133021132321 - 2¹⁵ = 133021099553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 133021132292 and 133021132301.

It is not an unprimeable number, because it can be changed into a prime (133021132331) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 488470 + ... + 710383.

It is an arithmetic number, because the mean of its divisors is an integer number (7015693608).

Almost surely, 2^133021132321 is an apocalyptic number.

133021132321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

133021132321 is a deficient number, since it is larger than the sum of its proper divisors (35355514271).

133021132321 is a wasteful number, since it uses less digits than its factorization.

133021132321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1199013 (or 1199002 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 133021132321 its reverse (123231120331), we get a palindrome (256252252652).

The spelling of 133021132321 in words is "one hundred thirty-three billion, twenty-one million, one hundred thirty-two thousand, three hundred twenty-one".