201120221101121 has 16 divisors (see below), whose sum is σ = 230550827733120. Its totient is φ = 171865105413120.

The previous prime is 201120221101057. The next prime is 201120221101147. The reversal of 201120221101121 is 121101122021102.

It is not a de Polignac number, because 201120221101121 - 2⁶ = 201120221101057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 201120221101121.

It is not an unprimeable number, because it can be changed into a prime (201120221101021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25919456 + ... + 32772833.

It is an arithmetic number, because the mean of its divisors is an integer number (14409426733320).

Almost surely, 2^{201120221101121} is an apocalyptic number.

It is an amenable number.

201120221101121 is a deficient number, since it is larger than the sum of its proper divisors (29430606631999).

201120221101121 is an equidigital number, since it uses as much as digits as its factorization.

201120221101121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58693784.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 201120221101121 its reverse (121101122021102), we get a palindrome (322221343122223).

The spelling of 201120221101121 in words is "two hundred one trillion, one hundred twenty billion, two hundred twenty-one million, one hundred one thousand, one hundred twenty-one".