1122002212220 has 24 divisors (see below), whose sum is σ = 2360345626800. Its totient is φ = 448012126592.

The previous prime is 1122002212169. The next prime is 1122002212241. The reversal of 1122002212220 is 222122002211.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49285730 + ... + 49308489.

It is an arithmetic number, because the mean of its divisors is an integer number (98347734450).

Almost surely, 2^{1122002212220} is an apocalyptic number.

1122002212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1122002212220 is an abundant number, since it is smaller than the sum of its proper divisors (1238343414580).

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

1122002212220 is a wasteful number, since it uses less digits than its factorization.

1122002212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98594797 (or 98594795 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 1122002212220 its reverse (222122002211), we get a palindrome (1344124214431).

The spelling of 1122002212220 in words is "one trillion, one hundred twenty-two billion, two million, two hundred twelve thousand, two hundred twenty".