200122221012101 has 16 divisors (see below), whose sum is σ = 214801218298800. Its totient is φ = 185766341787648.

The previous prime is 200122221012059. The next prime is 200122221012157. The reversal of 200122221012101 is 101210122221002.

It can be written as a sum of positive squares in 8 ways, for example, as 7348295679076 + 192773925333025 = 2710774^2 + 13884305^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-200122221012101 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 200122221012101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200122221912101) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 59251445 + ... + 62537813.

It is an arithmetic number, because the mean of its divisors is an integer number (13425076143675).

Almost surely, 2^{200122221012101} is an apocalyptic number.

It is an amenable number.

200122221012101 is a deficient number, since it is larger than the sum of its proper divisors (14678997286699).

200122221012101 is a wasteful number, since it uses less digits than its factorization.

200122221012101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3335528.

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

Adding to 200122221012101 its reverse (101210122221002), we get a palindrome (301332343233103).

The spelling of 200122221012101 in words is "two hundred trillion, one hundred twenty-two billion, two hundred twenty-one million, twelve thousand, one hundred one".