102000122120101 has 4 divisors (see below), whose sum is σ = 102000509585100. Its totient is φ = 101999734655104.

The previous prime is 102000122120069. The next prime is 102000122120111. The reversal of 102000122120101 is 101021221000201.

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 5423314097601 + 96576808022500 = 2328801^2 + 9827350^2 .

It is a cyclic number.

It is not a de Polignac number, because 102000122120101 - 2⁵ = 102000122120069 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 (102000122120111) 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, 193337356 + ... + 193864213.

It is an arithmetic number, because the mean of its divisors is an integer number (25500127396275).

Almost surely, 2^{102000122120101} is an apocalyptic number.

It is an amenable number.

102000122120101 is a deficient number, since it is larger than the sum of its proper divisors (387464999).

102000122120101 is an equidigital number, since it uses as much as digits as its factorization.

102000122120101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 387464998.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 102000122120101 its reverse (101021221000201), we get a palindrome (203021343120302).

The spelling of 102000122120101 in words is "one hundred two trillion, one hundred twenty-two million, one hundred twenty thousand, one hundred one".