102001130444 has 24 divisors (see below), whose sum is σ = 181344113328. Its totient is φ = 50190022080.

The previous prime is 102001130437. The next prime is 102001130447. The reversal of 102001130444 is 444031100201.

It is a super-2 number, since 2×102001130444² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (102001130447) 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, 87242 + ... + 460014.

It is an arithmetic number, because the mean of its divisors is an integer number (7556004722).

Almost surely, 2^102001130444 is an apocalyptic number.

It is an amenable number.

102001130444 is a deficient number, since it is larger than the sum of its proper divisors (79342982884).

102001130444 is a wasteful number, since it uses less digits than its factorization.

102001130444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373865 (or 373863 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 102001130444 its reverse (444031100201), we get a palindrome (546032230645).

The spelling of 102001130444 in words is "one hundred two billion, one million, one hundred thirty thousand, four hundred forty-four".