1220133230011 has 4 divisors (see below), whose sum is σ = 1220219042224. Its totient is φ = 1220047417800.

The previous prime is 1220133230009. The next prime is 1220133230081. The reversal of 1220133230011 is 1100323310221.

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

It is a cyclic number.

It is not a de Polignac number, because 1220133230011 - 2¹ = 1220133230009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220133230081) 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, 42884775 + ... + 42913216.

It is an arithmetic number, because the mean of its divisors is an integer number (305054760556).

Almost surely, 2^{1220133230011} is an apocalyptic number.

1220133230011 is a deficient number, since it is larger than the sum of its proper divisors (85812213).

1220133230011 is an equidigital number, since it uses as much as digits as its factorization.

1220133230011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85812212.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 1220133230011 its reverse (1100323310221), we get a palindrome (2320456540232).

The spelling of 1220133230011 in words is "one trillion, two hundred twenty billion, one hundred thirty-three million, two hundred thirty thousand, eleven".