1000221120201 has 4 divisors (see below), whose sum is σ = 1333628160272. Its totient is φ = 666814080132.

The previous prime is 1000221120161. The next prime is 1000221120203. The reversal of 1000221120201 is 1020211220001.

1000221120201 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 not a de Polignac number, because 1000221120201 - 2¹¹ = 1000221118153 is a prime.

It is a super-2 number, since 2×1000221120201² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000221120203) 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, 166703520031 + ... + 166703520036.

It is an arithmetic number, because the mean of its divisors is an integer number (333407040068).

Almost surely, 2^{1000221120201} is an apocalyptic number.

It is an amenable number.

1000221120201 is a deficient number, since it is larger than the sum of its proper divisors (333407040071).

1000221120201 is an equidigital number, since it uses as much as digits as its factorization.

1000221120201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333407040070.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 1000221120201 its reverse (1020211220001), we get a palindrome (2020432340202).

The spelling of 1000221120201 in words is "one trillion, two hundred twenty-one million, one hundred twenty thousand, two hundred one".