2211020212 has 12 divisors (see below), whose sum is σ = 3869619040. Its totient is φ = 1105414776.

The previous prime is 2211020209. The next prime is 2211020219. The reversal of 2211020212 is 2120201122.

It is a happy number.

It is a super-2 number, since 2×2211020212² = 9777220755745049888, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2211020192 and 2211020201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2211020219) 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, 65839 + ... + 93577.

Almost surely, 2^2211020212 is an apocalyptic number.

It is an amenable number.

2211020212 is a deficient number, since it is larger than the sum of its proper divisors (1658598828).

2211020212 is a wasteful number, since it uses less digits than its factorization.

2211020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47670 (or 47668 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 2211020212 is about 47021.4867055477. The cubic root of 2211020212 is about 1302.7594662401.

Adding to 2211020212 its reverse (2120201122), we get a palindrome (4331221334).

The spelling of 2211020212 in words is "two billion, two hundred eleven million, twenty thousand, two hundred twelve".