20122202101 has 4 divisors (see below), whose sum is σ = 20376913600. Its totient is φ = 19867490604.

The previous prime is 20122202081. The next prime is 20122202117. The reversal of 20122202101 is 10120222102.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10120222102 = 2 ⋅5060111051.

It is a cyclic number.

It is not a de Polignac number, because 20122202101 - 2⁵ = 20122202069 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 (20122202141) 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, 127355631 + ... + 127355788.

It is an arithmetic number, because the mean of its divisors is an integer number (5094228400).

Almost surely, 2^20122202101 is an apocalyptic number.

It is an amenable number.

20122202101 is a deficient number, since it is larger than the sum of its proper divisors (254711499).

20122202101 is an equidigital number, since it uses as much as digits as its factorization.

20122202101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254711498.

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

Adding to 20122202101 its reverse (10120222102), we get a palindrome (30242424203).

The spelling of 20122202101 in words is "twenty billion, one hundred twenty-two million, two hundred two thousand, one hundred one".