102003201142 has 4 divisors (see below), whose sum is σ = 153004801716. Its totient is φ = 51001600570.

The previous prime is 102003201061. The next prime is 102003201149. The reversal of 102003201142 is 241102300201.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102003201149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25500800284 + ... + 25500800287.

It is an arithmetic number, because the mean of its divisors is an integer number (38251200429).

Almost surely, 2^102003201142 is an apocalyptic number.

102003201142 is a deficient number, since it is larger than the sum of its proper divisors (51001600574).

102003201142 is an equidigital number, since it uses as much as digits as its factorization.

102003201142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51001600573.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 102003201142 its reverse (241102300201), we get a palindrome (343105501343).

The spelling of 102003201142 in words is "one hundred two billion, three million, two hundred one thousand, one hundred forty-two".