102251024205 has 32 divisors (see below), whose sum is σ = 178489059840. Its totient is φ = 49572214080.

The previous prime is 102251024191. The next prime is 102251024209. The reversal of 102251024205 is 502420152201.

It is not a de Polignac number, because 102251024205 - 2⁴ = 102251024189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102251024209) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3453394 + ... + 3482876.

It is an arithmetic number, because the mean of its divisors is an integer number (5577783120).

Almost surely, 2^102251024205 is an apocalyptic number.

102251024205 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

102251024205 is a deficient number, since it is larger than the sum of its proper divisors (76238035635).

102251024205 is a wasteful number, since it uses less digits than its factorization.

102251024205 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50521.

The product of its (nonzero) digits is 1600, while the sum is 24.

Adding to 102251024205 its reverse (502420152201), we get a palindrome (604671176406).

The spelling of 102251024205 in words is "one hundred two billion, two hundred fifty-one million, twenty-four thousand, two hundred five".