33211022221380 has 192 divisors, whose sum is σ = 94149465661440. Its totient is φ = 8746636953600.

The previous prime is 33211022221379. The next prime is 33211022221387. The reversal of 33211022221380 is 8312222011233.

It is a super-2 number, since 2×33211022221380² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (33211022221387) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5492145517 + ... + 5492151563.

It is an arithmetic number, because the mean of its divisors is an integer number (490361800320).

Almost surely, 2^{33211022221380} is an apocalyptic number.

33211022221380 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33211022221380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (47074732830720).

33211022221380 is an abundant number, since it is smaller than the sum of its proper divisors (60938443440060).

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

33211022221380 is a wasteful number, since it uses less digits than its factorization.

33211022221380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9530 (or 9528 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The spelling of 33211022221380 in words is "thirty-three trillion, two hundred eleven billion, twenty-two million, two hundred twenty-one thousand, three hundred eighty".