11222120004 has 96 divisors (see below), whose sum is σ = 27268617600. Its totient is φ = 3589386240.

The previous prime is 11222119973. The next prime is 11222120009. The reversal of 11222120004 is 40002122211.

It is not an unprimeable number, because it can be changed into a prime (11222120009) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9939312 + ... + 9940440.

It is an arithmetic number, because the mean of its divisors is an integer number (284048100).

Almost surely, 2^11222120004 is an apocalyptic number.

It is an amenable number.

11222120004 is an abundant number, since it is smaller than the sum of its proper divisors (16046497596).

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

11222120004 is a wasteful number, since it uses less digits than its factorization.

11222120004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1493 (or 1491 counting only the distinct ones).

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

Adding to 11222120004 its reverse (40002122211), we get a palindrome (51224242215).

The spelling of 11222120004 in words is "eleven billion, two hundred twenty-two million, one hundred twenty thousand, four".