102220011112 has 8 divisors (see below), whose sum is σ = 191662520850. Its totient is φ = 51110005552.

The previous prime is 102220011109. The next prime is 102220011121. The reversal of 102220011112 is 211110022201.

It can be written as a sum of positive squares in only one way, i.e., 101082028356 + 1137982756 = 317934^2 + 33734^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 102220011092 and 102220011101.

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 as a sum of consecutive naturals, namely, 6388750687 + ... + 6388750702.

Almost surely, 2^102220011112 is an apocalyptic number.

It is an amenable number.

102220011112 is a deficient number, since it is larger than the sum of its proper divisors (89442509738).

102220011112 is a wasteful number, since it uses less digits than its factorization.

102220011112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12777501395 (or 12777501391 counting only the distinct ones).

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

Adding to 102220011112 its reverse (211110022201), we get a palindrome (313330033313).

The spelling of 102220011112 in words is "one hundred two billion, two hundred twenty million, eleven thousand, one hundred twelve".