2220001011 has 24 divisors (see below), whose sum is σ = 3348287280. Its totient is φ = 1415593536.

The previous prime is 2220000997. The next prime is 2220001013. The reversal of 2220001011 is 1101000222.

It is not a de Polignac number, because 2220001011 - 2⁹ = 2220000499 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 2220000984 and 2220001002.

It is not an unprimeable number, because it can be changed into a prime (2220001013) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11820 + ... + 67673.

It is an arithmetic number, because the mean of its divisors is an integer number (139511970).

Almost surely, 2^2220001011 is an apocalyptic number.

2220001011 is a deficient number, since it is larger than the sum of its proper divisors (1128286269).

2220001011 is a wasteful number, since it uses less digits than its factorization.

2220001011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79635 (or 79632 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

The square root of 2220001011 is about 47116.8866861978. The cubic root of 2220001011 is about 1304.5209480490.

Adding to 2220001011 its reverse (1101000222), we get a palindrome (3321001233).

The spelling of 2220001011 in words is "two billion, two hundred twenty million, one thousand, eleven".