102031202101 has 2 divisors, whose sum is σ = 102031202102. Its totient is φ = 102031202100.

The previous prime is 102031202099. The next prime is 102031202137. The reversal of 102031202101 is 101202130201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 99493561476 + 2537640625 = 315426^2 + 50375^2 .

It is an emirp because it is prime and its reverse (101202130201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102031202101 - 2¹ = 102031202099 is a prime.

Together with 102031202099, 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 (102031202201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015601050 + 51015601051.

It is an arithmetic number, because the mean of its divisors is an integer number (51015601051).

Almost surely, 2^102031202101 is an apocalyptic number.

It is an amenable number.

102031202101 is a deficient number, since it is larger than the sum of its proper divisors (1).

102031202101 is an equidigital number, since it uses as much as digits as its factorization.

102031202101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 13.

Adding to 102031202101 its reverse (101202130201), we get a palindrome (203233332302).

The spelling of 102031202101 in words is "one hundred two billion, thirty-one million, two hundred two thousand, one hundred one".