1001202102123 has 8 divisors (see below), whose sum is σ = 1334953206336. Its totient is φ = 667459533000.

The previous prime is 1001202102091. The next prime is 1001202102133. The reversal of 1001202102123 is 3212012021001.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1001202102123 - 2⁵ = 1001202102091 is a prime.

It is a super-2 number, since 2×1001202102123² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1001202102133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1854853 + ... + 2332998.

It is an arithmetic number, because the mean of its divisors is an integer number (166869150792).

Almost surely, 2^{1001202102123} is an apocalyptic number.

1001202102123 is a deficient number, since it is larger than the sum of its proper divisors (333751104213).

1001202102123 is an equidigital number, since it uses as much as digits as its factorization.

1001202102123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267545.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1001202102123 its reverse (3212012021001), we get a palindrome (4213214123124).

The spelling of 1001202102123 in words is "one trillion, one billion, two hundred two million, one hundred two thousand, one hundred twenty-three".