1120021212222 has 48 divisors (see below), whose sum is σ = 2711891735280. Its totient is φ = 331122307200.

The previous prime is 1120021212133. The next prime is 1120021212239. The reversal of 1120021212222 is 2222121200211.

It is a happy number.

1120021212222 is a `hidden beast` number, since 11 + 200 + 21 + 212 + 222 = 666.

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 = 1120021212195 and 1120021212204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 68975697 + ... + 68991932.

It is an arithmetic number, because the mean of its divisors is an integer number (56497744485).

Almost surely, 2^{1120021212222} is an apocalyptic number.

1120021212222 is an abundant number, since it is smaller than the sum of its proper divisors (1591870523058).

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

1120021212222 is a wasteful number, since it uses less digits than its factorization.

1120021212222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137967689 (or 137967686 counting only the distinct ones).

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

Adding to 1120021212222 its reverse (2222121200211), we get a palindrome (3342142412433).

The spelling of 1120021212222 in words is "one trillion, one hundred twenty billion, twenty-one million, two hundred twelve thousand, two hundred twenty-two".