1220101112 has 16 divisors (see below), whose sum is σ = 2408094600. Its totient is φ = 577942560.

The previous prime is 1220101087. The next prime is 1220101123. The reversal of 1220101112 is 2111010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220101093 and 1220101102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4013339 + ... + 4013642.

Almost surely, 2^1220101112 is an apocalyptic number.

It is an amenable number.

1220101112 is a deficient number, since it is larger than the sum of its proper divisors (1187993488).

1220101112 is a wasteful number, since it uses less digits than its factorization.

1220101112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8027006 (or 8027002 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 11.

The square root of 1220101112 is about 34929.9457772267. The cubic root of 1220101112 is about 1068.5592487810.

Adding to 1220101112 its reverse (2111010221), we get a palindrome (3331111333).

The spelling of 1220101112 in words is "one billion, two hundred twenty million, one hundred one thousand, one hundred twelve".