102440401112 has 32 divisors (see below), whose sum is σ = 219599212320. Its totient is φ = 43886215680.

The previous prime is 102440401111. The next prime is 102440401123. The reversal of 102440401112 is 211104044201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102440401111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202193 + ... + 495744.

It is an arithmetic number, because the mean of its divisors is an integer number (6862475385).

Almost surely, 2^102440401112 is an apocalyptic number.

It is an amenable number.

102440401112 is an abundant number, since it is smaller than the sum of its proper divisors (117158811208).

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

102440401112 is a wasteful number, since it uses less digits than its factorization.

102440401112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 700571 (or 700567 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 102440401112 its reverse (211104044201), we get a palindrome (313544445313).

The spelling of 102440401112 in words is "one hundred two billion, four hundred forty million, four hundred one thousand, one hundred twelve".