222122011012 has 24 divisors (see below), whose sum is σ = 426652666272. Its totient is φ = 100345132800.

The previous prime is 222122010959. The next prime is 222122011019. The reversal of 222122011012 is 210110221222.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (222122011019) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15478189 + ... + 15492532.

It is an arithmetic number, because the mean of its divisors is an integer number (17777194428).

Almost surely, 2^222122011012 is an apocalyptic number.

222122011012 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

222122011012 is a deficient number, since it is larger than the sum of its proper divisors (204530655260).

222122011012 is a wasteful number, since it uses less digits than its factorization.

222122011012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30970899 (or 30970897 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 222122011012 its reverse (210110221222), we get a palindrome (432232232234).

The spelling of 222122011012 in words is "two hundred twenty-two billion, one hundred twenty-two million, eleven thousand, twelve".