1220022020011 has 8 divisors (see below), whose sum is σ = 1237227825600. Its totient is φ = 1202860276800.

The previous prime is 1220022019999. The next prime is 1220022020017. The reversal of 1220022020011 is 1100202200221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1220022020011 - 2³¹ = 1217874536363 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220022019973 and 1220022020000.

It is not an unprimeable number, because it can be changed into a prime (1220022020017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10959826 + ... + 11070583.

It is an arithmetic number, because the mean of its divisors is an integer number (154653478200).

Almost surely, 2^{1220022020011} is an apocalyptic number.

1220022020011 is a deficient number, since it is larger than the sum of its proper divisors (17205805589).

1220022020011 is an equidigital number, since it uses as much as digits as its factorization.

1220022020011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22031189.

The product of its (nonzero) digits is 32, while the sum is 13.

Adding to 1220022020011 its reverse (1100202200221), we get a palindrome (2320224220232).

The spelling of 1220022020011 in words is "one trillion, two hundred twenty billion, twenty-two million, twenty thousand, eleven".