1001201020102 has 4 divisors (see below), whose sum is σ = 1501801530156. Its totient is φ = 500600510050.

The previous prime is 1001201020049. The next prime is 1001201020109. The reversal of 1001201020102 is 2010201021001.

1001201020102 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 (1001201020109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250300255024 + ... + 250300255027.

It is an arithmetic number, because the mean of its divisors is an integer number (375450382539).

Almost surely, 2^{1001201020102} is an apocalyptic number.

1001201020102 is a deficient number, since it is larger than the sum of its proper divisors (500600510054).

1001201020102 is an equidigital number, since it uses as much as digits as its factorization.

1001201020102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500600510053.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1001201020102 its reverse (2010201021001), we get a palindrome (3011402041103).

It can be divided in two parts, 1001 and 201020102, that multiplied together give a palindrome (201221122102).

The spelling of 1001201020102 in words is "one trillion, one billion, two hundred one million, twenty thousand, one hundred two".