33102121300220 has 24 divisors (see below), whose sum is σ = 79445091120864. Its totient is φ = 11349298731456.

The previous prime is 33102121300111. The next prime is 33102121300243. The reversal of 33102121300220 is 2200312120133.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 33102121300192 and 33102121300201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118221861647 + ... + 118221861926.

It is an arithmetic number, because the mean of its divisors is an integer number (3310212130036).

Almost surely, 2^{33102121300220} is an apocalyptic number.

It is an amenable number.

33102121300220 is an abundant number, since it is smaller than the sum of its proper divisors (46342969820644).

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

33102121300220 is a wasteful number, since it uses less digits than its factorization.

33102121300220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236443723589 (or 236443723587 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 33102121300220 its reverse (2200312120133), we get a palindrome (35302433420353).

The spelling of 33102121300220 in words is "thirty-three trillion, one hundred two billion, one hundred twenty-one million, three hundred thousand, two hundred twenty".