20122120203101 has 12 divisors (see below), whose sum is σ = 23591674280448. Its totient is φ = 17111724261912.

The previous prime is 20122120203091. The next prime is 20122120203137. The reversal of 20122120203101 is 10130202122102.

It is not a de Polignac number, because 20122120203101 - 2⁶ = 20122120203037 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122120203101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122120203151) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1616747771 + ... + 1616760216.

It is an arithmetic number, because the mean of its divisors is an integer number (1965972856704).

Almost surely, 2^{20122120203101} is an apocalyptic number.

It is an amenable number.

20122120203101 is a deficient number, since it is larger than the sum of its proper divisors (3469554077347).

20122120203101 is a wasteful number, since it uses less digits than its factorization.

20122120203101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3233508128 (or 3233508121 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 20122120203101 its reverse (10130202122102), we get a palindrome (30252322325203).

The spelling of 20122120203101 in words is "twenty trillion, one hundred twenty-two billion, one hundred twenty million, two hundred three thousand, one hundred one".