11222122002 has 48 divisors (see below), whose sum is σ = 28116974592. Its totient is φ = 2959679520.

The previous prime is 11222121997. The next prime is 11222122007. The reversal of 11222122002 is 20022122211.

It is an interprime number because it is at equal distance from previous prime (11222121997) and next prime (11222122007).

It is not an unprimeable number, because it can be changed into a prime (11222122007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1464274 + ... + 1471917.

It is an arithmetic number, because the mean of its divisors is an integer number (585770304).

Almost surely, 2^11222122002 is an apocalyptic number.

11222122002 is an abundant number, since it is smaller than the sum of its proper divisors (16894852590).

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

11222122002 is a wasteful number, since it uses less digits than its factorization.

11222122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2936223 (or 2936216 counting only the distinct ones).

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

Adding to 11222122002 its reverse (20022122211), we get a palindrome (31244244213).

The spelling of 11222122002 in words is "eleven billion, two hundred twenty-two million, one hundred twenty-two thousand, two".