2101201201121 has 8 divisors (see below), whose sum is σ = 2313642105504. Its totient is φ = 1892330732320.

The previous prime is 2101201201097. The next prime is 2101201201129. The reversal of 2101201201121 is 1211021021012.

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 2101201201121 - 2¹⁰ = 2101201200097 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2101201201096 and 2101201201105.

It is not an unprimeable number, because it can be changed into a prime (2101201201129) 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, 892607660 + ... + 892610013.

It is an arithmetic number, because the mean of its divisors is an integer number (289205263188).

Almost surely, 2^{2101201201121} is an apocalyptic number.

It is an amenable number.

2101201201121 is a deficient number, since it is larger than the sum of its proper divisors (212440904383).

2101201201121 is a wasteful number, since it uses less digits than its factorization.

2101201201121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1785217791.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 2101201201121 its reverse (1211021021012), we get a palindrome (3312222222133).

The spelling of 2101201201121 in words is "two trillion, one hundred one billion, two hundred one million, two hundred one thousand, one hundred twenty-one".