120020221010000 has 50 divisors (see below), whose sum is σ = 290580957111522. Its totient is φ = 48008088400000.

The previous prime is 120020221009991. The next prime is 120020221010029. The reversal of 120020221010000 is 10122020021.

It is a happy number.

It can be written as a sum of positive squares in 5 ways, for example, as 17793481205824 + 102226739804176 = 4218232^2 + 10110724^2 .

It is a tau number, because it is divible by the number of its divisors (50).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6001001051 + ... + 6001021050.

Almost surely, 2^{120020221010000} is an apocalyptic number.

120020221010000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

120020221010000 is an abundant number, since it is smaller than the sum of its proper divisors (170560736101522).

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

120020221010000 is an equidigital number, since it uses as much as digits as its factorization.

120020221010000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12002022129 (or 12002022108 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 120020221010000 its reverse (10122020021), we get a palindrome (120030343030021).

The spelling of 120020221010000 in words is "one hundred twenty trillion, twenty billion, two hundred twenty-one million, ten thousand".