2331201211101 has 48 divisors (see below), whose sum is σ = 3887661982464. Its totient is φ = 1318513911552.

The previous prime is 2331201211067. The next prime is 2331201211133. The reversal of 2331201211101 is 1011121021332.

2331201211101 is a `hidden beast` number, since 2 + 331 + 20 + 1 + 211 + 101 = 666.

It is not a de Polignac number, because 2331201211101 - 2⁶ = 2331201211037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331201211181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12868585 + ... + 13048481.

It is an arithmetic number, because the mean of its divisors is an integer number (80992957968).

Almost surely, 2^{2331201211101} is an apocalyptic number.

2331201211101 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

2331201211101 is a deficient number, since it is larger than the sum of its proper divisors (1556460771363).

2331201211101 is a wasteful number, since it uses less digits than its factorization.

2331201211101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182010 (or 182007 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

Adding to 2331201211101 its reverse (1011121021332), we get a palindrome (3342322232433).

The spelling of 2331201211101 in words is "two trillion, three hundred thirty-one billion, two hundred one million, two hundred eleven thousand, one hundred one".