1000202210123 has 4 divisors (see below), whose sum is σ = 1016598967728. Its totient is φ = 983805452520.

The previous prime is 1000202210081. The next prime is 1000202210129. The reversal of 1000202210123 is 3210122020001.

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 1000202210123 - 2¹² = 1000202206027 is a prime.

It is a super-2 number, since 2×1000202210123² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1000202210098 and 1000202210107.

It is not an unprimeable number, because it can be changed into a prime (1000202210129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8198378711 + ... + 8198378832.

It is an arithmetic number, because the mean of its divisors is an integer number (254149741932).

Almost surely, 2^{1000202210123} is an apocalyptic number.

1000202210123 is a deficient number, since it is larger than the sum of its proper divisors (16396757605).

1000202210123 is an equidigital number, since it uses as much as digits as its factorization.

1000202210123 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16396757604.

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

Adding to 1000202210123 its reverse (3210122020001), we get a palindrome (4210324230124).

The spelling of 1000202210123 in words is "one trillion, two hundred two million, two hundred ten thousand, one hundred twenty-three".