1220110220011 has 16 divisors (see below), whose sum is σ = 1287531624960. Its totient is φ = 1153010276640.

The previous prime is 1220110219981. The next prime is 1220110220023. The reversal of 1220110220011 is 1100220110221.

It is a cyclic number.

It is not a de Polignac number, because 1220110220011 - 2⁷ = 1220110219883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220110219973 and 1220110220000.

It is not an unprimeable number, because it can be changed into a prime (1220110220081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69327465 + ... + 69345061.

It is an arithmetic number, because the mean of its divisors is an integer number (80470726560).

Almost surely, 2^{1220110220011} is an apocalyptic number.

1220110220011 is a deficient number, since it is larger than the sum of its proper divisors (67421404949).

1220110220011 is a wasteful number, since it uses less digits than its factorization.

1220110220011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26514.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220110220011 its reverse (1100220110221), we get a palindrome (2320330330232).

The spelling of 1220110220011 in words is "one trillion, two hundred twenty billion, one hundred ten million, two hundred twenty thousand, eleven".