102011210197 has 32 divisors (see below), whose sum is σ = 118077523200. Its totient is φ = 87347538432.

The previous prime is 102011210183. The next prime is 102011210201. The reversal of 102011210197 is 791012110201.

It is a cyclic number.

It is not a de Polignac number, because 102011210197 - 2³⁵ = 67651471829 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102011214197) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2241723 + ... + 2286775.

It is an arithmetic number, because the mean of its divisors is an integer number (3689922600).

Almost surely, 2^102011210197 is an apocalyptic number.

It is an amenable number.

102011210197 is a deficient number, since it is larger than the sum of its proper divisors (16066313003).

102011210197 is a wasteful number, since it uses less digits than its factorization.

102011210197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45277.

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

Adding to 102011210197 its reverse (791012110201), we get a palindrome (893023320398).

The spelling of 102011210197 in words is "one hundred two billion, eleven million, two hundred ten thousand, one hundred ninety-seven".