2123013121311 has 8 divisors (see below), whose sum is σ = 2997194994864. Its totient is φ = 1332086664320.

The previous prime is 2123013121301. The next prime is 2123013121363. The reversal of 2123013121311 is 1131213103212.

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 2123013121311 - 2¹⁵ = 2123013088543 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2123013121301) 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, 20813854080 + ... + 20813854181.

It is an arithmetic number, because the mean of its divisors is an integer number (374649374358).

Almost surely, 2^{2123013121311} is an apocalyptic number.

2123013121311 is a deficient number, since it is larger than the sum of its proper divisors (874181873553).

2123013121311 is a wasteful number, since it uses less digits than its factorization.

2123013121311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41627708281.

The product of its (nonzero) digits is 216, while the sum is 21.

Adding to 2123013121311 its reverse (1131213103212), we get a palindrome (3254226224523).

The spelling of 2123013121311 in words is "two trillion, one hundred twenty-three billion, thirteen million, one hundred twenty-one thousand, three hundred eleven".