102061080901 has 4 divisors (see below), whose sum is σ = 109911933292. Its totient is φ = 94210228512.

The previous prime is 102061080857. The next prime is 102061080907. The reversal of 102061080901 is 109080160201.

It is a happy number.

It is a Cunningham number, because it is equal to 319470²+1.

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 15098019876 + 86963061025 = 122874^2 + 294895^2 .

It is a cyclic number.

It is not a de Polignac number, because 102061080901 - 2¹⁷ = 102060949829 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 102061080901.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102061080907) 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, 3925426176 + ... + 3925426201.

It is an arithmetic number, because the mean of its divisors is an integer number (27477983323).

Almost surely, 2^102061080901 is an apocalyptic number.

It is an amenable number.

102061080901 is a deficient number, since it is larger than the sum of its proper divisors (7850852391).

102061080901 is an equidigital number, since it uses as much as digits as its factorization.

102061080901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7850852390.

The product of its (nonzero) digits is 864, while the sum is 28.

The spelling of 102061080901 in words is "one hundred two billion, sixty-one million, eighty thousand, nine hundred one".