2210021011 has 4 divisors (see below), whose sum is σ = 2410932024. Its totient is φ = 2009110000.

The previous prime is 2210021003. The next prime is 2210021027. The reversal of 2210021011 is 1101200122.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2210021011 - 2³ = 2210021003 is a prime.

It is a super-2 number, since 2×2210021011² = 9768385738122924242, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2210021311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 100455490 + ... + 100455511.

It is an arithmetic number, because the mean of its divisors is an integer number (602733006).

Almost surely, 2^2210021011 is an apocalyptic number.

2210021011 is a deficient number, since it is larger than the sum of its proper divisors (200911013).

2210021011 is a wasteful number, since it uses less digits than its factorization.

2210021011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200911012.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 2210021011 is about 47010.8605643419. The cubic root of 2210021011 is about 1302.5631896233.

Adding to 2210021011 its reverse (1101200122), we get a palindrome (3311221133).

The spelling of 2210021011 in words is "two billion, two hundred ten million, twenty-one thousand, eleven".