2101201131121 has 8 divisors (see below), whose sum is σ = 2117354896800. Its totient is φ = 2085049093920.

The previous prime is 2101201131089. The next prime is 2101201131187. The reversal of 2101201131121 is 1211311021012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2101201131121 - 2⁵ = 2101201131089 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101201131095 and 2101201131104.

It is not an unprimeable number, because it can be changed into a prime (2101201131191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2063685 + ... + 2908813.

It is an arithmetic number, because the mean of its divisors is an integer number (264669362100).

Almost surely, 2^{2101201131121} is an apocalyptic number.

It is an amenable number.

2101201131121 is a deficient number, since it is larger than the sum of its proper divisors (16153765679).

2101201131121 is a wasteful number, since it uses less digits than its factorization.

2101201131121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864239.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 2101201131121 its reverse (1211311021012), we get a palindrome (3312512152133).

It can be divided in two parts, 2101201 and 131121, that added together give a palindrome (2232322).

The spelling of 2101201131121 in words is "two trillion, one hundred one billion, two hundred one million, one hundred thirty-one thousand, one hundred twenty-one".