101238206513197 has 4 divisors (see below), whose sum is σ = 109025760860380. Its totient is φ = 93450652166016.

The previous prime is 101238206513189. The next prime is 101238206513201. The reversal of 101238206513197 is 791315602832101.

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 60501313071081 + 40736893442116 = 7778259^2 + 6382546^2 .

It is a cyclic number.

It is not a de Polignac number, because 101238206513197 - 2³ = 101238206513189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 101238206513197.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101238206513117) 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, 3893777173572 + ... + 3893777173597.

It is an arithmetic number, because the mean of its divisors is an integer number (27256440215095).

Almost surely, 2^{101238206513197} is an apocalyptic number.

It is an amenable number.

101238206513197 is a deficient number, since it is larger than the sum of its proper divisors (7787554347183).

101238206513197 is an equidigital number, since it uses as much as digits as its factorization.

101238206513197 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7787554347182.

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 101238206513197 in words is "one hundred one trillion, two hundred thirty-eight billion, two hundred six million, five hundred thirteen thousand, one hundred ninety-seven".