102205231002250 has 64 divisors (see below), whose sum is σ = 204516244348416. Its totient is φ = 38150839056000.

The previous prime is 102205231002233. The next prime is 102205231002271. The reversal of 102205231002250 is 52200132502201.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 216530382 + ... + 217001881.

It is an arithmetic number, because the mean of its divisors is an integer number (3195566317944).

Almost surely, 2^{102205231002250} is an apocalyptic number.

102205231002250 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102205231002250 is an abundant number, since it is smaller than the sum of its proper divisors (102311013346166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102205231002250 is a wasteful number, since it uses less digits than its factorization.

102205231002250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433532344 (or 433532334 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 102205231002250 its reverse (52200132502201), we get a palindrome (154405363504451).

The spelling of 102205231002250 in words is "one hundred two trillion, two hundred five billion, two hundred thirty-one million, two thousand, two hundred fifty".