102002112210101 has 4 divisors (see below), whose sum is σ = 108002236457772. Its totient is φ = 96001987962432.

The previous prime is 102002112210079. The next prime is 102002112210107. The reversal of 102002112210101 is 101012211200201.

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 92671928143876 + 9330184066225 = 9626626^2 + 3054535^2 .

It is not a de Polignac number, because 102002112210101 - 2¹⁰ = 102002112209077 is a prime.

It is a super-3 number, since 3×102002112210101³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102002112210107) 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, 3000062123810 + ... + 3000062123843.

It is an arithmetic number, because the mean of its divisors is an integer number (27000559114443).

Almost surely, 2^{102002112210101} is an apocalyptic number.

It is an amenable number.

102002112210101 is a deficient number, since it is larger than the sum of its proper divisors (6000124247671).

102002112210101 is an equidigital number, since it uses as much as digits as its factorization.

102002112210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6000124247670.

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

Adding to 102002112210101 its reverse (101012211200201), we get a palindrome (203014323410302).

The spelling of 102002112210101 in words is "one hundred two trillion, two billion, one hundred twelve million, two hundred ten thousand, one hundred one".