2211021204 has 48 divisors (see below), whose sum is σ = 5905124736. Its totient is φ = 630748800.

The previous prime is 2211021133. The next prime is 2211021229. The reversal of 2211021204 is 4021201122.

It is a super-2 number, since 2×2211021204² = 9777229529075219232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35614 + ... + 75434.

It is an arithmetic number, because the mean of its divisors is an integer number (123023432).

Almost surely, 2^2211021204 is an apocalyptic number.

It is an amenable number.

2211021204 is an abundant number, since it is smaller than the sum of its proper divisors (3694103532).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2211021204 is a wasteful number, since it uses less digits than its factorization.

2211021204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40496 (or 40494 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 15.

The square root of 2211021204 is about 47021.4972539157. The cubic root of 2211021204 is about 1302.7596610728.

Adding to 2211021204 its reverse (4021201122), we get a palindrome (6232222326).

The spelling of 2211021204 in words is "two billion, two hundred eleven million, twenty-one thousand, two hundred four".