1000222132213 has 4 divisors (see below), whose sum is σ = 1000532666988. Its totient is φ = 999911597440.

The previous prime is 1000222132211. The next prime is 1000222132241. The reversal of 1000222132213 is 3122312220001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 524926332324 + 475295799889 = 724518^2 + 689417^2 .

It is a cyclic number.

It is not a de Polignac number, because 1000222132213 - 2¹ = 1000222132211 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000222132211) 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, 155262556 + ... + 155268997.

It is an arithmetic number, because the mean of its divisors is an integer number (250133166747).

Almost surely, 2^{1000222132213} is an apocalyptic number.

It is an amenable number.

1000222132213 is a deficient number, since it is larger than the sum of its proper divisors (310534775).

1000222132213 is an equidigital number, since it uses as much as digits as its factorization.

1000222132213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 310534774.

The product of its (nonzero) digits is 288, while the sum is 19.

Adding to 1000222132213 its reverse (3122312220001), we get a palindrome (4122534352214).

The spelling of 1000222132213 in words is "one trillion, two hundred twenty-two million, one hundred thirty-two thousand, two hundred thirteen".