133221231000100 has 36 divisors (see below), whose sum is σ = 289111131141700. Its totient is φ = 53284610396160.

The previous prime is 133221231000079. The next prime is 133221231000133. The reversal of 133221231000100 is 1000132122331.

It can be written as a sum of positive squares in 6 ways, for example, as 17501702436 + 133203729297664 = 132294^2 + 11541392^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47145285 + ... + 49891084.

Almost surely, 2^{133221231000100} is an apocalyptic number.

133221231000100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133221231000100 is an abundant number, since it is smaller than the sum of its proper divisors (155889900141600).

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

133221231000100 is a wasteful number, since it uses less digits than its factorization.

133221231000100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97050112 (or 97050105 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 133221231000100 its reverse (1000132122331), we get a palindrome (134221363122431).

The spelling of 133221231000100 in words is "one hundred thirty-three trillion, two hundred twenty-one billion, two hundred thirty-one million, one hundred", and thus it is an aban number.