1220122101112 has 32 divisors (see below), whose sum is σ = 2347108790400. Its totient is φ = 594301294944.

The previous prime is 1220122101061. The next prime is 1220122101239. The reversal of 1220122101112 is 2111012210221.

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, 4548868 + ... + 4809619.

It is an arithmetic number, because the mean of its divisors is an integer number (73347149700).

Almost surely, 2^{1220122101112} is an apocalyptic number.

It is an amenable number.

1220122101112 is a deficient number, since it is larger than the sum of its proper divisors (1126986689288).

1220122101112 is a wasteful number, since it uses less digits than its factorization.

1220122101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9358915 (or 9358911 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 1220122101112 its reverse (2111012210221), we get a palindrome (3331134311333).

The spelling of 1220122101112 in words is "one trillion, two hundred twenty billion, one hundred twenty-two million, one hundred one thousand, one hundred twelve".