1220100211112 has 16 divisors (see below), whose sum is σ = 2293921383360. Its totient is φ = 608387842224.

The previous prime is 1220100211081. The next prime is 1220100211123. The reversal of 1220100211112 is 2111120010221.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 207779798 + ... + 207785669.

It is an arithmetic number, because the mean of its divisors is an integer number (143370086460).

Almost surely, 2^{1220100211112} is an apocalyptic number.

It is an amenable number.

1220100211112 is a deficient number, since it is larger than the sum of its proper divisors (1073821172248).

1220100211112 is a wasteful number, since it uses less digits than its factorization.

1220100211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415565840 (or 415565836 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1220100211112 its reverse (2111120010221), we get a palindrome (3331220221333).

The spelling of 1220100211112 in words is "one trillion, two hundred twenty billion, one hundred million, two hundred eleven thousand, one hundred twelve".