122100220101 has 4 divisors (see below), whose sum is σ = 162800293472. Its totient is φ = 81400146732.

The previous prime is 122100220097. The next prime is 122100220111. The reversal of 122100220101 is 101022001221.

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.

It is not a de Polignac number, because 122100220101 - 2² = 122100220097 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 (122100220111) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20350036681 + ... + 20350036686.

It is an arithmetic number, because the mean of its divisors is an integer number (40700073368).

Almost surely, 2^122100220101 is an apocalyptic number.

It is an amenable number.

122100220101 is a deficient number, since it is larger than the sum of its proper divisors (40700073371).

122100220101 is an equidigital number, since it uses as much as digits as its factorization.

122100220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40700073370.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 122100220101 its reverse (101022001221), we get a palindrome (223122221322).

The spelling of 122100220101 in words is "one hundred twenty-two billion, one hundred million, two hundred twenty thousand, one hundred one".