102210001000 has 128 divisors (see below), whose sum is σ = 256712470560. Its totient is φ = 37951488000.

The previous prime is 102210000967. The next prime is 102210001063. The reversal of 102210001000 is 100012201.

It can be written as a sum of positive squares in 16 ways, for example, as 3189796 + 102206811204 = 1786^2 + 319698^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1199820 + ... + 1282180.

Almost surely, 2^102210001000 is an apocalyptic number.

102210001000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 102210001000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128356235280).

102210001000 is an abundant number, since it is smaller than the sum of its proper divisors (154502469560).

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

102210001000 is a wasteful number, since it uses less digits than its factorization.

102210001000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82472 (or 82458 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 7.

Adding to 102210001000 its reverse (100012201), we get a palindrome (102310013201).

The spelling of 102210001000 in words is "one hundred two billion, two hundred ten million, one thousand".