20312213122101 has 8 divisors (see below), whose sum is σ = 27087556013824. Its totient is φ = 13539172822560.

The previous prime is 20312213122063. The next prime is 20312213122193. The reversal of 20312213122101 is 10122131221302.

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

It is not a de Polignac number, because 20312213122101 - 2¹⁹ = 20312212597813 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 (20312213112101) 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, 575627461 + ... + 575662746.

It is an arithmetic number, because the mean of its divisors is an integer number (3385944501728).

Almost surely, 2^{20312213122101} is an apocalyptic number.

It is an amenable number.

20312213122101 is a deficient number, since it is larger than the sum of its proper divisors (6775342891723).

20312213122101 is a wasteful number, since it uses less digits than its factorization.

20312213122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1151296091.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 20312213122101 its reverse (10122131221302), we get a palindrome (30434344343403).

The spelling of 20312213122101 in words is "twenty trillion, three hundred twelve billion, two hundred thirteen million, one hundred twenty-two thousand, one hundred one".