1111122101201 has 12 divisors (see below), whose sum is σ = 1296233334900. Its totient is φ = 949661445600.

The previous prime is 1111122101147. The next prime is 1111122101203. The reversal of 1111122101201 is 1021012211111.

It can be written as a sum of positive squares in 2 ways, for example, as 616633267600 + 494488833601 = 785260^2 + 703199^2 .

It is not a de Polignac number, because 1111122101201 - 2¹⁰ = 1111122100177 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1111122101203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32469950 + ... + 32504151.

It is an arithmetic number, because the mean of its divisors is an integer number (108019444575).

Almost surely, 2^{1111122101201} is an apocalyptic number.

It is an amenable number.

1111122101201 is a deficient number, since it is larger than the sum of its proper divisors (185111233699).

1111122101201 is an equidigital number, since it uses as much as digits as its factorization.

1111122101201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64974464 (or 64974457 counting only the distinct ones).

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

Adding to 1111122101201 its reverse (1021012211111), we get a palindrome (2132134312312).

The spelling of 1111122101201 in words is "one trillion, one hundred eleven billion, one hundred twenty-two million, one hundred one thousand, two hundred one".