1000221110201 has 4 divisors (see below), whose sum is σ = 1009568971152. Its totient is φ = 990873249252.

The previous prime is 1000221110179. The next prime is 1000221110221. The reversal of 1000221110201 is 1020111220001.

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 1000221110201 - 2³⁰ = 999147368377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000221110221) 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, 4673930315 + ... + 4673930528.

It is an arithmetic number, because the mean of its divisors is an integer number (252392242788).

Almost surely, 2^{1000221110201} is an apocalyptic number.

It is an amenable number.

1000221110201 is a deficient number, since it is larger than the sum of its proper divisors (9347860951).

1000221110201 is an equidigital number, since it uses as much as digits as its factorization.

1000221110201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9347860950.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000221110201 its reverse (1020111220001), we get a palindrome (2020332330202).

The spelling of 1000221110201 in words is "one trillion, two hundred twenty-one million, one hundred ten thousand, two hundred one".