2211121002 has 16 divisors (see below), whose sum is σ = 4488246432. Its totient is φ = 726039600.

The previous prime is 2211120971. The next prime is 2211121019. The reversal of 2211121002 is 2001211122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749749 + ... + 2750552.

It is an arithmetic number, because the mean of its divisors is an integer number (280515402).

Almost surely, 2^2211121002 is an apocalyptic number.

2211121002 is an abundant number, since it is smaller than the sum of its proper divisors (2277125430).

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

2211121002 is a wasteful number, since it uses less digits than its factorization.

2211121002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5500373.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2211121002 is about 47022.5584374138. The cubic root of 2211121002 is about 1302.7792614958.

Adding to 2211121002 its reverse (2001211122), we get a palindrome (4212332124).

The spelling of 2211121002 in words is "two billion, two hundred eleven million, one hundred twenty-one thousand, two".