1220122310011 has 8 divisors (see below), whose sum is σ = 1344221160048. Its totient is φ = 1098219900000.

The previous prime is 1220122310009. The next prime is 1220122310021. The reversal of 1220122310011 is 1100132210221.

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 1220122310011 - 2¹ = 1220122310009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1220122310021) 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, 549108840 + ... + 549111061.

It is an arithmetic number, because the mean of its divisors is an integer number (168027645006).

Almost surely, 2^{1220122310011} is an apocalyptic number.

1220122310011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220122310011 is a deficient number, since it is larger than the sum of its proper divisors (124098850037).

1220122310011 is a wasteful number, since it uses less digits than its factorization.

1220122310011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098220013.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 1220122310011 its reverse (1100132210221), we get a palindrome (2320254520232).

The spelling of 1220122310011 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, three hundred ten thousand, eleven".