102212012101 has 2 divisors, whose sum is σ = 102212012102. Its totient is φ = 102212012100.

The previous prime is 102212012099. The next prime is 102212012107. The reversal of 102212012101 is 101210212201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74393108001 + 27818904100 = 272751^2 + 166790^2 .

It is a cyclic number.

It is not a de Polignac number, because 102212012101 - 2¹ = 102212012099 is a prime.

Together with 102212012099, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102212012107) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51106006050 + 51106006051.

It is an arithmetic number, because the mean of its divisors is an integer number (51106006051).

Almost surely, 2^102212012101 is an apocalyptic number.

It is an amenable number.

102212012101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102212012101 is an equidigital number, since it uses as much as digits as its factorization.

102212012101 is an evil number, because the sum of its binary digits is even.

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

Adding to 102212012101 its reverse (101210212201), we get a palindrome (203422224302).

The spelling of 102212012101 in words is "one hundred two billion, two hundred twelve million, twelve thousand, one hundred one".