1002154443101 has 4 divisors (see below), whose sum is σ = 1145319363552. Its totient is φ = 858989522652.

The previous prime is 1002154443079. The next prime is 1002154443131. The reversal of 1002154443101 is 1013444512001.

1002154443101 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1002154443101 - 2¹⁰ = 1002154442077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002154443131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71582460215 + ... + 71582460228.

It is an arithmetic number, because the mean of its divisors is an integer number (286329840888).

Almost surely, 2^{1002154443101} is an apocalyptic number.

It is an amenable number.

1002154443101 is a deficient number, since it is larger than the sum of its proper divisors (143164920451).

1002154443101 is an equidigital number, since it uses as much as digits as its factorization.

1002154443101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143164920450.

The product of its (nonzero) digits is 1920, while the sum is 26.

Adding to 1002154443101 its reverse (1013444512001), we get a palindrome (2015598955102).

The spelling of 1002154443101 in words is "one trillion, two billion, one hundred fifty-four million, four hundred forty-three thousand, one hundred one".