11122222220212 has 12 divisors (see below), whose sum is σ = 19472708062080. Its totient is φ = 5558591345336.

The previous prime is 11122222220201. The next prime is 11122222220251. The reversal of 11122222220212 is 21202222222111.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 629931262 + ... + 629948917.

It is an arithmetic number, because the mean of its divisors is an integer number (1622725671840).

Almost surely, 2^{11122222220212} is an apocalyptic number.

It is an amenable number.

11122222220212 is a deficient number, since it is larger than the sum of its proper divisors (8350485841868).

11122222220212 is a wasteful number, since it uses less digits than its factorization.

11122222220212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1259882390 (or 1259882388 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 22.

Adding to 11122222220212 its reverse (21202222222111), we get a palindrome (32324444442323).

The spelling of 11122222220212 in words is "eleven trillion, one hundred twenty-two billion, two hundred twenty-two million, two hundred twenty thousand, two hundred twelve".