1112002212222 has 48 divisors (see below), whose sum is σ = 2652482392560. Its totient is φ = 333878889600.

The previous prime is 1112002212221. The next prime is 1112002212271. The reversal of 1112002212222 is 2222122002111.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 1112002212195 and 1112002212204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112002212221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25740679 + ... + 25783842.

It is an arithmetic number, because the mean of its divisors is an integer number (55260049845).

Almost surely, 2^{1112002212222} is an apocalyptic number.

1112002212222 is an abundant number, since it is smaller than the sum of its proper divisors (1540480180338).

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

1112002212222 is a wasteful number, since it uses less digits than its factorization.

1112002212222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51524649 (or 51524646 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1112002212222 its reverse (2222122002111), we get a palindrome (3334124214333).

The spelling of 1112002212222 in words is "one trillion, one hundred twelve billion, two million, two hundred twelve thousand, two hundred twenty-two".