102212102210101 has 4 divisors (see below), whose sum is σ = 110074571610892. Its totient is φ = 94349632809312.

The previous prime is 102212102210063. The next prime is 102212102210117. The reversal of 102212102210101 is 101012201212201.

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 9604699731025 + 92607402479076 = 3099145^2 + 9623274^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212102210101 - 2³³ = 102203512275509 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 (102212102210161) 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, 3931234700376 + ... + 3931234700401.

It is an arithmetic number, because the mean of its divisors is an integer number (27518642902723).

Almost surely, 2^{102212102210101} is an apocalyptic number.

It is an amenable number.

102212102210101 is a deficient number, since it is larger than the sum of its proper divisors (7862469400791).

102212102210101 is an equidigital number, since it uses as much as digits as its factorization.

102212102210101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7862469400790.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 102212102210101 its reverse (101012201212201), we get a palindrome (203224303422302).

The spelling of 102212102210101 in words is "one hundred two trillion, two hundred twelve billion, one hundred two million, two hundred ten thousand, one hundred one".