1222210011120 has 80 divisors (see below), whose sum is σ = 4330115473920. Its totient is φ = 279362287872.

The previous prime is 1222210011049. The next prime is 1222210011149. The reversal of 1222210011120 is 211100122221.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1222210011120² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 1222210011120.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 363751300 + ... + 363754659.

It is an arithmetic number, because the mean of its divisors is an integer number (54126443424).

Almost surely, 2^{1222210011120} is an apocalyptic number.

1222210011120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1222210011120 is an abundant number, since it is smaller than the sum of its proper divisors (3107905462800).

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

1222210011120 is a wasteful number, since it uses less digits than its factorization.

1222210011120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727505982 (or 727505976 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1222210011120 its reverse (211100122221), we get a palindrome (1433310133341).

The spelling of 1222210011120 in words is "one trillion, two hundred twenty-two billion, two hundred ten million, eleven thousand, one hundred twenty".