20212011120013 has 4 divisors (see below), whose sum is σ = 21400952950620. Its totient is φ = 19023069289408.

The previous prime is 20212011119983. The next prime is 20212011120043. The reversal of 20212011120013 is 31002111021202.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (20212011119983) and next prime (20212011120043).

It can be written as a sum of positive squares in 2 ways, for example, as 18014065512804 + 2197945607209 = 4244298^2 + 1482547^2 .

It is a cyclic number.

It is not a de Polignac number, because 20212011120013 - 2⁴¹ = 18012987864461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212011120043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 594470915278 + ... + 594470915311.

It is an arithmetic number, because the mean of its divisors is an integer number (5350238237655).

Almost surely, 2^{20212011120013} is an apocalyptic number.

It is an amenable number.

20212011120013 is a deficient number, since it is larger than the sum of its proper divisors (1188941830607).

20212011120013 is a wasteful number, since it uses less digits than its factorization.

20212011120013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188941830606.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 20212011120013 its reverse (31002111021202), we get a palindrome (51214122141215).

The spelling of 20212011120013 in words is "twenty trillion, two hundred twelve billion, eleven million, one hundred twenty thousand, thirteen".