201111001102121 has 16 divisors (see below), whose sum is σ = 222463364701248. Its totient is φ = 180271673222400.

The previous prime is 201111001102117. The next prime is 201111001102211. The reversal of 201111001102121 is 121201100111102.

It is a cyclic number.

It is not a de Polignac number, because 201111001102121 - 2² = 201111001102117 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201111001102096 and 201111001102105.

It is not an unprimeable number, because it can be changed into a prime (201111001102421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33335060 + ... + 38903061.

It is an arithmetic number, because the mean of its divisors is an integer number (13903960293828).

Almost surely, 2^{201111001102121} is an apocalyptic number.

It is an amenable number.

201111001102121 is a deficient number, since it is larger than the sum of its proper divisors (21352363599127).

201111001102121 is a wasteful number, since it uses less digits than its factorization.

201111001102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72241672.

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 201111001102121 its reverse (121201100111102), we get a palindrome (322312101213223).

The spelling of 201111001102121 in words is "two hundred one trillion, one hundred eleven billion, one million, one hundred two thousand, one hundred twenty-one".