201120121211211 has 16 divisors (see below), whose sum is σ = 298398462844320. Its totient is φ = 133880853335040.

The previous prime is 201120121211183. The next prime is 201120121211279. The reversal of 201120121211211 is 112112121021102.

It is a happy number.

201120121211211 is a `hidden beast` number, since 2 + 0 + 1 + 120 + 121 + 211 + 211 = 666.

It is not a de Polignac number, because 201120121211211 - 2¹⁸ = 201120120949067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (201120121211011) 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, 5534077950 + ... + 5534114291.

It is an arithmetic number, because the mean of its divisors is an integer number (18649903927770).

Almost surely, 2^{201120121211211} is an apocalyptic number.

201120121211211 is a deficient number, since it is larger than the sum of its proper divisors (97278341633109).

201120121211211 is a wasteful number, since it uses less digits than its factorization.

201120121211211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11068192923 (or 11068192917 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 201120121211211 its reverse (112112121021102), we get a palindrome (313232242232313).

The spelling of 201120121211211 in words is "two hundred one trillion, one hundred twenty billion, one hundred twenty-one million, two hundred eleven thousand, two hundred eleven".