133211331221300 has 72 divisors (see below), whose sum is σ = 290288570342400. Its totient is φ = 53059667221120.

The previous prime is 133211331221273. The next prime is 133211331221303. The reversal of 133211331221300 is 3122133112331.

It is a super-2 number, since 2×133211331221300² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 133211331221300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133211331221303) 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, 791459954 + ... + 791628246.

It is an arithmetic number, because the mean of its divisors is an integer number (4031785699200).

Almost surely, 2^{133211331221300} is an apocalyptic number.

133211331221300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

133211331221300 is an abundant number, since it is smaller than the sum of its proper divisors (157077239121100).

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

133211331221300 is a wasteful number, since it uses less digits than its factorization.

133211331221300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201665 (or 201658 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 133211331221300 its reverse (3122133112331), we get a palindrome (136333464333631).

The spelling of 133211331221300 in words is "one hundred thirty-three trillion, two hundred eleven billion, three hundred thirty-one million, two hundred twenty-one thousand, three hundred".