1002101223 has 4 divisors (see below), whose sum is σ = 1336134968. Its totient is φ = 668067480.

The previous prime is 1002101161. The next prime is 1002101239. The reversal of 1002101223 is 3221012001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3221012001 = 3 ⋅1073670667.

It is not a de Polignac number, because 1002101223 - 2¹⁰ = 1002100199 is a prime.

It is a super-2 number, since 2×1002101223² = 2008413722276191458, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002101199 and 1002101208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002101123) 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, 167016868 + ... + 167016873.

It is an arithmetic number, because the mean of its divisors is an integer number (334033742).

Almost surely, 2^1002101223 is an apocalyptic number.

1002101223 is a deficient number, since it is larger than the sum of its proper divisors (334033745).

1002101223 is an equidigital number, since it uses as much as digits as its factorization.

1002101223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 334033744.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1002101223 is about 31655.9824203894. The cubic root of 1002101223 is about 1000.6999176676.

Adding to 1002101223 its reverse (3221012001), we get a palindrome (4223113224).

The spelling of 1002101223 in words is "one billion, two million, one hundred one thousand, two hundred twenty-three".