2221011202133 has 4 divisors (see below), whose sum is σ = 2297597795340. Its totient is φ = 2144424608928.

The previous prime is 2221011202129. The next prime is 2221011202139. The reversal of 2221011202133 is 3312021101222.

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 975023929489 + 1245987272644 = 987433^2 + 1116238^2 .

It is a cyclic number.

It is not a de Polignac number, because 2221011202133 - 2² = 2221011202129 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 (2221011202139) 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, 38293296560 + ... + 38293296617.

It is an arithmetic number, because the mean of its divisors is an integer number (574399448835).

Almost surely, 2^{2221011202133} is an apocalyptic number.

It is an amenable number.

2221011202133 is a deficient number, since it is larger than the sum of its proper divisors (76586593207).

2221011202133 is an equidigital number, since it uses as much as digits as its factorization.

2221011202133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76586593206.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 2221011202133 its reverse (3312021101222), we get a palindrome (5533032303355).

The spelling of 2221011202133 in words is "two trillion, two hundred twenty-one billion, eleven million, two hundred two thousand, one hundred thirty-three".