201121002220000 has 120 divisors (see below), whose sum is σ = 505315236688416. Its totient is φ = 78736732416000.

The previous prime is 201121002219971. The next prime is 201121002220183. The reversal of 201121002220000 is 22200121102.

It is a happy number.

201121002220000 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 106039257 + ... + 107919256.

Almost surely, 2^{201121002220000} is an apocalyptic number.

201121002220000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201121002220000 is an abundant number, since it is smaller than the sum of its proper divisors (304194234468416).

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

201121002220000 is an equidigital number, since it uses as much as digits as its factorization.

201121002220000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213958590 (or 213958567 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 201121002220000 its reverse (22200121102), we get a palindrome (201143202341102).

The spelling of 201121002220000 in words is "two hundred one trillion, one hundred twenty-one billion, two million, two hundred twenty thousand".