100102112220101 has 4 divisors (see below), whose sum is σ = 100102176067500. Its totient is φ = 100102048372704.

The previous prime is 100102112220083. The next prime is 100102112220151. The reversal of 100102112220101 is 101022211201001.

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 5552762344900 + 94549349875201 = 2356430^2 + 9723649^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100102112220101 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 (100102112220151) 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, 29511176 + ... + 32727873.

It is an arithmetic number, because the mean of its divisors is an integer number (25025544016875).

Almost surely, 2^{100102112220101} is an apocalyptic number.

It is an amenable number.

100102112220101 is a deficient number, since it is larger than the sum of its proper divisors (63847399).

100102112220101 is an equidigital number, since it uses as much as digits as its factorization.

100102112220101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63847398.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100102112220101 its reverse (101022211201001), we get a palindrome (201124323421102).

The spelling of 100102112220101 in words is "one hundred trillion, one hundred two billion, one hundred twelve million, two hundred twenty thousand, one hundred one".