102102101197 has 4 divisors (see below), whose sum is σ = 102111646140. Its totient is φ = 102092556256.

The previous prime is 102102101117. The next prime is 102102101203. The reversal of 102102101197 is 791101201201.

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 90327898116 + 11774203081 = 300546^2 + 108509^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102101197 - 2¹¹ = 102102099149 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 (102102101117) 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, 4756408 + ... + 4777825.

It is an arithmetic number, because the mean of its divisors is an integer number (25527911535).

Almost surely, 2^102102101197 is an apocalyptic number.

It is an amenable number.

102102101197 is a deficient number, since it is larger than the sum of its proper divisors (9544943).

102102101197 is an equidigital number, since it uses as much as digits as its factorization.

102102101197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544942.

The product of its (nonzero) digits is 252, while the sum is 25.

Adding to 102102101197 its reverse (791101201201), we get a palindrome (893203302398).

The spelling of 102102101197 in words is "one hundred two billion, one hundred two million, one hundred one thousand, one hundred ninety-seven".