1000222001201 has 4 divisors (see below), whose sum is σ = 1000855455600. Its totient is φ = 999588546804.

The previous prime is 1000222001197. The next prime is 1000222001227. The reversal of 1000222001201 is 1021002220001.

It is a happy number.

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 1000222001201 - 2² = 1000222001197 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1000222001501) 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, 316724831 + ... + 316727988.

It is an arithmetic number, because the mean of its divisors is an integer number (250213863900).

Almost surely, 2^{1000222001201} is an apocalyptic number.

It is an amenable number.

1000222001201 is a deficient number, since it is larger than the sum of its proper divisors (633454399).

1000222001201 is an equidigital number, since it uses as much as digits as its factorization.

1000222001201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 633454398.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1000222001201 its reverse (1021002220001), we get a palindrome (2021224221202).

The spelling of 1000222001201 in words is "one trillion, two hundred twenty-two million, one thousand, two hundred one".