1002100120223 has 4 divisors (see below), whose sum is σ = 1003266710280. Its totient is φ = 1000933530168.

The previous prime is 1002100120127. The next prime is 1002100120247. The reversal of 1002100120223 is 3220210012001.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1002100120223 - 2⁸ = 1002100119967 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002100120198 and 1002100120207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002100120123) 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, 583293740 + ... + 583295457.

It is an arithmetic number, because the mean of its divisors is an integer number (250816677570).

Almost surely, 2^{1002100120223} is an apocalyptic number.

1002100120223 is a deficient number, since it is larger than the sum of its proper divisors (1166590057).

1002100120223 is an equidigital number, since it uses as much as digits as its factorization.

1002100120223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1166590056.

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 1002100120223 its reverse (3220210012001), we get a palindrome (4222310132224).

The spelling of 1002100120223 in words is "one trillion, two billion, one hundred million, one hundred twenty thousand, two hundred twenty-three".