101021200197 has 16 divisors (see below), whose sum is σ = 142634790720. Its totient is φ = 63378461952.

The previous prime is 101021200123. The next prime is 101021200207. The reversal of 101021200197 is 791002120101.

It is not a de Polignac number, because 101021200197 - 2⁸ = 101021199941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021200097) 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 15 ways as a sum of consecutive naturals, for example, 344079 + ... + 566067.

It is an arithmetic number, because the mean of its divisors is an integer number (8914674420).

Almost surely, 2^101021200197 is an apocalyptic number.

101021200197 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

101021200197 is a deficient number, since it is larger than the sum of its proper divisors (41613590523).

101021200197 is a wasteful number, since it uses less digits than its factorization.

101021200197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230932.

The product of its (nonzero) digits is 252, while the sum is 24.

Adding to 101021200197 its reverse (791002120101), we get a palindrome (892023320298).

The spelling of 101021200197 in words is "one hundred one billion, twenty-one million, two hundred thousand, one hundred ninety-seven".