2013121011121 has 8 divisors (see below), whose sum is σ = 2196526853664. Its totient is φ = 1829780975520.

The previous prime is 2013121011103. The next prime is 2013121011137. The reversal of 2013121011121 is 1211101213102.

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 2013121011121 - 2⁵ = 2013121011089 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2013121011095 and 2013121011104.

It is not an unprimeable number, because it can be changed into a prime (2013121011101) 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, 16387756 + ... + 16510141.

It is an arithmetic number, because the mean of its divisors is an integer number (274565856708).

Almost surely, 2^{2013121011121} is an apocalyptic number.

It is an amenable number.

2013121011121 is a deficient number, since it is larger than the sum of its proper divisors (183405842543).

2013121011121 is a wasteful number, since it uses less digits than its factorization.

2013121011121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32903471.

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

Adding to 2013121011121 its reverse (1211101213102), we get a palindrome (3224222224223).

The spelling of 2013121011121 in words is "two trillion, thirteen billion, one hundred twenty-one million, eleven thousand, one hundred twenty-one".