1220100102112 has 24 divisors (see below), whose sum is σ = 2528496923400. Its totient is φ = 577942153344.

The previous prime is 1220100102107. The next prime is 1220100102139. The reversal of 1220100102112 is 2112010010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220100102092 and 1220100102101.

It is a congruent number.

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, 1003371187 + ... + 1003372402.

It is an arithmetic number, because the mean of its divisors is an integer number (105354038475).

Almost surely, 2^{1220100102112} is an apocalyptic number.

It is an amenable number.

1220100102112 is an abundant number, since it is smaller than the sum of its proper divisors (1308396821288).

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

1220100102112 is a wasteful number, since it uses less digits than its factorization.

1220100102112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2006743618 (or 2006743610 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1220100102112 its reverse (2112010010221), we get a palindrome (3332110112333).

The spelling of 1220100102112 in words is "one trillion, two hundred twenty billion, one hundred million, one hundred two thousand, one hundred twelve".