11220211122 has 8 divisors (see below), whose sum is σ = 22440422256. Its totient is φ = 3740070372.

The previous prime is 11220211117. The next prime is 11220211127. The reversal of 11220211122 is 22111202211.

It is an interprime number because it is at equal distance from previous prime (11220211117) and next prime (11220211127).

It is a sphenic number, since it is the product of 3 distinct primes.

11220211122 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (11220211127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 935017588 + ... + 935017599.

It is an arithmetic number, because the mean of its divisors is an integer number (2805052782).

Almost surely, 2^11220211122 is an apocalyptic number.

11220211122 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

11220211122 is a wasteful number, since it uses less digits than its factorization.

11220211122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1870035192.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11220211122 its reverse (22111202211), we get a palindrome (33331413333).

The spelling of 11220211122 in words is "eleven billion, two hundred twenty million, two hundred eleven thousand, one hundred twenty-two".