1220010011 has 8 divisors (see below), whose sum is σ = 1331638704. Its totient is φ = 1108501120.

The previous prime is 1220009993. The next prime is 1220010059. The reversal of 1220010011 is 1100100221.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1220010011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1220010511) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7946 + ... + 50031.

It is an arithmetic number, because the mean of its divisors is an integer number (166454838).

Almost surely, 2^1220010011 is an apocalyptic number.

1220010011 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1220010011 is a deficient number, since it is larger than the sum of its proper divisors (111628693).

1220010011 is a wasteful number, since it uses less digits than its factorization.

1220010011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59901.

The product of its (nonzero) digits is 4, while the sum is 8.

The square root of 1220010011 is about 34928.6416999001. The cubic root of 1220010011 is about 1068.5326528324.

Adding to 1220010011 its reverse (1100100221), we get a palindrome (2320110232).

The spelling of 1220010011 in words is "one billion, two hundred twenty million, ten thousand, eleven".