20213212104101 has 8 divisors (see below), whose sum is σ = 20217787915200. Its totient is φ = 20208636671328.

The previous prime is 20213212104089. The next prime is 20213212104119. The reversal of 20213212104101 is 10140121231202.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-20213212104101 is a prime.

It is a super-2 number, since 2×20213212104101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20213212104181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124980050 + ... + 125141676.

It is an arithmetic number, because the mean of its divisors is an integer number (2527223489400).

Almost surely, 2^{20213212104101} is an apocalyptic number.

It is an amenable number.

20213212104101 is a deficient number, since it is larger than the sum of its proper divisors (4575811099).

20213212104101 is a wasteful number, since it uses less digits than its factorization.

20213212104101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189163.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 20213212104101 its reverse (10140121231202), we get a palindrome (30353333335303).

The spelling of 20213212104101 in words is "twenty trillion, two hundred thirteen billion, two hundred twelve million, one hundred four thousand, one hundred one".