1122201111012 has 24 divisors (see below), whose sum is σ = 2618769820800. Its totient is φ = 374024099616.

The previous prime is 1122201110981. The next prime is 1122201111023. The reversal of 1122201111012 is 2101111022211.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1122201110982 and 1122201111000.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5258187 + ... + 5467442.

It is an arithmetic number, because the mean of its divisors is an integer number (109115409200).

Almost surely, 2^{1122201111012} is an apocalyptic number.

1122201111012 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1122201111012 is an abundant number, since it is smaller than the sum of its proper divisors (1496568709788).

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

1122201111012 is a wasteful number, since it uses less digits than its factorization.

1122201111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10734355 (or 10734353 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 1122201111012 its reverse (2101111022211), we get a palindrome (3223312133223).

The spelling of 1122201111012 in words is "one trillion, one hundred twenty-two billion, two hundred one million, one hundred eleven thousand, twelve".