102200575251261 has 4 divisors (see below), whose sum is σ = 136267433668352. Its totient is φ = 68133716834172.

The previous prime is 102200575251251. The next prime is 102200575251337. The reversal of 102200575251261 is 162152575002201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 102200575251261 - 2¹³ = 102200575243069 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 (102200575251251) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17033429208541 + ... + 17033429208546.

It is an arithmetic number, because the mean of its divisors is an integer number (34066858417088).

Almost surely, 2^{102200575251261} is an apocalyptic number.

It is an amenable number.

102200575251261 is a deficient number, since it is larger than the sum of its proper divisors (34066858417091).

102200575251261 is an equidigital number, since it uses as much as digits as its factorization.

102200575251261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34066858417090.

The product of its (nonzero) digits is 84000, while the sum is 39.

The spelling of 102200575251261 in words is "one hundred two trillion, two hundred billion, five hundred seventy-five million, two hundred fifty-one thousand, two hundred sixty-one".