20122102122101 has 48 divisors (see below), whose sum is σ = 23844936038400. Its totient is φ = 16929027360000.

The previous prime is 20122102121963. The next prime is 20122102122103. The reversal of 20122102122101 is 10122120122102.

It is not a de Polignac number, because 20122102122101 - 2²² = 20122097927797 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 20122102122101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20122102122103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 210520361 + ... + 210615921.

It is an arithmetic number, because the mean of its divisors is an integer number (496769500800).

Almost surely, 2^{20122102122101} is an apocalyptic number.

It is an amenable number.

20122102122101 is a deficient number, since it is larger than the sum of its proper divisors (3722833916299).

20122102122101 is a wasteful number, since it uses less digits than its factorization.

20122102122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96066 (or 96059 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20122102122101 its reverse (10122120122102), we get a palindrome (30244222244203).

The spelling of 20122102122101 in words is "twenty trillion, one hundred twenty-two billion, one hundred two million, one hundred twenty-two thousand, one hundred one".