201120221022120 has 48 divisors (see below), whose sum is σ = 653640718323060. Its totient is φ = 53632058939136.

The previous prime is 201120221022113. The next prime is 201120221022167. The reversal of 201120221022120 is 21220122021102.

It is a happy number.

201120221022120 is a `hidden beast` number, since 2 + 0 + 11 + 202 + 210 + 221 + 20 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 186167413685124 + 14952807336996 = 13644318^2 + 3866886^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 201120221022093 and 201120221022102.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 279333639949 + ... + 279333640668.

Almost surely, 2^{201120221022120} is an apocalyptic number.

201120221022120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

201120221022120 is an abundant number, since it is smaller than the sum of its proper divisors (452520497300940).

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

201120221022120 is a wasteful number, since it uses less digits than its factorization.

201120221022120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 558667280634 (or 558667280627 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 201120221022120 its reverse (21220122021102), we get a palindrome (222340343043222).

The spelling of 201120221022120 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, twenty-two thousand, one hundred twenty".