1000224030121 has 4 divisors (see below), whose sum is σ = 1021505392512. Its totient is φ = 978942667732.

The previous prime is 1000224030103. The next prime is 1000224030131. The reversal of 1000224030121 is 1210304220001.

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 1000224030121 - 2²⁹ = 999687159209 is a prime.

It is a super-2 number, since 2×1000224030121² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1000224030095 and 1000224030104.

It is not an unprimeable number, because it can be changed into a prime (1000224030131) 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, 10640681125 + ... + 10640681218.

It is an arithmetic number, because the mean of its divisors is an integer number (255376348128).

Almost surely, 2^{1000224030121} is an apocalyptic number.

It is an amenable number.

1000224030121 is a deficient number, since it is larger than the sum of its proper divisors (21281362391).

1000224030121 is an equidigital number, since it uses as much as digits as its factorization.

1000224030121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21281362390.

The product of its (nonzero) digits is 96, while the sum is 16.

Adding to 1000224030121 its reverse (1210304220001), we get a palindrome (2210528250122).

The spelling of 1000224030121 in words is "one trillion, two hundred twenty-four million, thirty thousand, one hundred twenty-one".