200122100100101 has 4 divisors (see below), whose sum is σ = 200353991294592. Its totient is φ = 199890208905612.

The previous prime is 200122100100079. The next prime is 200122100100113. The reversal of 200122100100101 is 101001001221002.

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 a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200122100100101 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 (200122100100121) 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, 115945595951 + ... + 115945597676.

It is an arithmetic number, because the mean of its divisors is an integer number (50088497823648).

Almost surely, 2^{200122100100101} is an apocalyptic number.

It is an amenable number.

200122100100101 is a deficient number, since it is larger than the sum of its proper divisors (231891194491).

200122100100101 is an equidigital number, since it uses as much as digits as its factorization.

200122100100101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 231891194490.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 200122100100101 its reverse (101001001221002), we get a palindrome (301123101321103).

The spelling of 200122100100101 in words is "two hundred trillion, one hundred twenty-two billion, one hundred million, one hundred thousand, one hundred one".