1220010220111 has 8 divisors (see below), whose sum is σ = 1226882227824. Its totient is φ = 1213153169280.

The previous prime is 1220010220109. The next prime is 1220010220171. The reversal of 1220010220111 is 1110220100221.

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 1220010220111 - 2¹ = 1220010220109 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1220010220091 and 1220010220100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1220010220171) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3575605 + ... + 3901918.

It is an arithmetic number, because the mean of its divisors is an integer number (153360278478).

Almost surely, 2^{1220010220111} is an apocalyptic number.

1220010220111 is a deficient number, since it is larger than the sum of its proper divisors (6872007713).

1220010220111 is an equidigital number, since it uses as much as digits as its factorization.

1220010220111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7478441.

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

Adding to 1220010220111 its reverse (1110220100221), we get a palindrome (2330230320332).

The spelling of 1220010220111 in words is "one trillion, two hundred twenty billion, ten million, two hundred twenty thousand, one hundred eleven".