102200100120001 has 4 divisors (see below), whose sum is σ = 110061646283092. Its totient is φ = 94338553956912.

The previous prime is 102200100119951. The next prime is 102200100120023. The reversal of 102200100120001 is 100021001002201.

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 21832443150400 + 80367656969601 = 4672520^2 + 8964801^2 .

It is a cyclic number.

It is not a de Polignac number, because 102200100120001 - 2⁴¹ = 100001076864449 is a prime.

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 102200100120001.

It is not an unprimeable number, because it can be changed into a prime (102200100180001) 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, 3930773081526 + ... + 3930773081551.

It is an arithmetic number, because the mean of its divisors is an integer number (27515411570773).

Almost surely, 2^{102200100120001} is an apocalyptic number.

It is an amenable number.

102200100120001 is a deficient number, since it is larger than the sum of its proper divisors (7861546163091).

102200100120001 is an equidigital number, since it uses as much as digits as its factorization.

102200100120001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7861546163090.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 102200100120001 its reverse (100021001002201), we get a palindrome (202221101122202).

The spelling of 102200100120001 in words is "one hundred two trillion, two hundred billion, one hundred million, one hundred twenty thousand, one".