121033000220 has 24 divisors (see below), whose sum is σ = 277275601008. Its totient is φ = 44012000000.

The previous prime is 121033000213. The next prime is 121033000223. The reversal of 121033000220 is 22000330121.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 121033000195 and 121033000204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121033000223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275074781 + ... + 275075220.

It is an arithmetic number, because the mean of its divisors is an integer number (11553150042).

Almost surely, 2^121033000220 is an apocalyptic number.

121033000220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121033000220 is an abundant number, since it is smaller than the sum of its proper divisors (156242600788).

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

121033000220 is a wasteful number, since it uses less digits than its factorization.

121033000220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550150021 (or 550150019 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 14.

Adding to 121033000220 its reverse (22000330121), we get a palindrome (143033330341).

The spelling of 121033000220 in words is "one hundred twenty-one billion, thirty-three million, two hundred twenty", and thus it is an aban number.