1002222220201 has 4 divisors (see below), whose sum is σ = 1003388952400. Its totient is φ = 1001055488004.

The previous prime is 1002222220193. The next prime is 1002222220231. The reversal of 1002222220201 is 1020222222001.

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 1002222220201 - 2³ = 1002222220193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1002222220231) 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, 583364811 + ... + 583366528.

It is an arithmetic number, because the mean of its divisors is an integer number (250847238100).

Almost surely, 2^{1002222220201} is an apocalyptic number.

It is an amenable number.

1002222220201 is a deficient number, since it is larger than the sum of its proper divisors (1166732199).

1002222220201 is an equidigital number, since it uses as much as digits as its factorization.

1002222220201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166732198.

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 1002222220201 its reverse (1020222222001), we get a palindrome (2022444442202).

The spelling of 1002222220201 in words is "one trillion, two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred one".