102001243112 has 16 divisors (see below), whose sum is σ = 191257838340. Its totient is φ = 50999152896.

The previous prime is 102001243109. The next prime is 102001243171. The reversal of 102001243112 is 211342100201.

It can be written as a sum of positive squares in 2 ways, for example, as 96612802276 + 5388440836 = 310826^2 + 73406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 146498 + ... + 474830.

Almost surely, 2^102001243112 is an apocalyptic number.

It is an amenable number.

102001243112 is a deficient number, since it is larger than the sum of its proper divisors (89256595228).

102001243112 is a wasteful number, since it uses less digits than its factorization.

102001243112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367172 (or 367168 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 102001243112 its reverse (211342100201), we get a palindrome (313343343313).

The spelling of 102001243112 in words is "one hundred two billion, one million, two hundred forty-three thousand, one hundred twelve".