102621714722 has 54 divisors (see below), whose sum is σ = 163162176723. Its totient is φ = 48406204224.

The previous prime is 102621714653. The next prime is 102621714737. The reversal of 102621714722 is 227417126201.

It can be written as a sum of positive squares in 5 ways, for example, as 60723309241 + 41898405481 = 246421^2 + 204691^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=226519.

It is a Duffinian number.

It is an unprimeable number.

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 26 ways as a sum of consecutive naturals, for example, 959081393 + ... + 959081499.

Almost surely, 2^102621714722 is an apocalyptic number.

102621714722 is a deficient number, since it is larger than the sum of its proper divisors (60540462001).

102621714722 is an frugal number, since it uses more digits than its factorization.

102621714722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420 (or 211 counting only the distinct ones).

The product of its (nonzero) digits is 18816, while the sum is 35.

The spelling of 102621714722 in words is "one hundred two billion, six hundred twenty-one million, seven hundred fourteen thousand, seven hundred twenty-two".