102100000010 has 16 divisors (see below), whose sum is σ = 183803953896. Its totient is φ = 40834676928.

The previous prime is 102099999961. The next prime is 102100000021. The reversal of 102100000010 is 10000001201.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 74857507201 + 27242492809 = 273601^2 + 165053^2 .

It is a Harshad number since it is a multiple of its sum of digits (5).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 584357 + ... + 738696.

Almost surely, 2^102100000010 is an apocalyptic number.

102100000010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

102100000010 is a deficient number, since it is larger than the sum of its proper divisors (81703953886).

102100000010 is a wasteful number, since it uses less digits than its factorization.

102100000010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1330777.

The product of its (nonzero) digits is 2, while the sum is 5.

Adding to 102100000010 its reverse (10000001201), we get a palindrome (112100001211).

The spelling of 102100000010 in words is "one hundred two billion, one hundred million, ten", and thus it is an aban number.