20220000122101 has 4 divisors (see below), whose sum is σ = 21775384746892. Its totient is φ = 18664615497312.

The previous prime is 20220000122087. The next prime is 20220000122137. The reversal of 20220000122101 is 10122100002202.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6802321231876 + 13417678890225 = 2608126^2 + 3663015^2 .

It is a cyclic number.

It is not a de Polignac number, because 20220000122101 - 2⁹ = 20220000121589 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (13), and also a Moran number because the ratio is a prime number: 1555384624777 = 20220000122101 / (2 + 0 + 2 + 2 + 0 + 0 + 0 + 0 + 1 + 2 + 2 + 1 + 0 + 1).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20220000122141) 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, 777692312376 + ... + 777692312401.

It is an arithmetic number, because the mean of its divisors is an integer number (5443846186723).

Almost surely, 2^{20220000122101} is an apocalyptic number.

It is an amenable number.

20220000122101 is a deficient number, since it is larger than the sum of its proper divisors (1555384624791).

20220000122101 is a wasteful number, since it uses less digits than its factorization.

20220000122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1555384624790.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 20220000122101 its reverse (10122100002202), we get a palindrome (30342100124303).

The spelling of 20220000122101 in words is "twenty trillion, two hundred twenty billion, one hundred twenty-two thousand, one hundred one".