20213000132101 has 4 divisors (see below), whose sum is σ = 23100571579552. Its totient is φ = 17325428684652.

The previous prime is 20213000132071. The next prime is 20213000132131. The reversal of 20213000132101 is 10123100031202.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (20213000132071) and next prime (20213000132131).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213000132101 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 (20213000132131) 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, 1443785723715 + ... + 1443785723728.

It is an arithmetic number, because the mean of its divisors is an integer number (5775142894888).

Almost surely, 2^{20213000132101} is an apocalyptic number.

It is an amenable number.

20213000132101 is a deficient number, since it is larger than the sum of its proper divisors (2887571447451).

20213000132101 is an equidigital number, since it uses as much as digits as its factorization.

20213000132101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2887571447450.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 20213000132101 its reverse (10123100031202), we get a palindrome (30336100163303).

The spelling of 20213000132101 in words is "twenty trillion, two hundred thirteen billion, one hundred thirty-two thousand, one hundred one".