111002100101012 has 6 divisors (see below), whose sum is σ = 194253675176778. Its totient is φ = 55501050050504.

The previous prime is 111002100100979. The next prime is 111002100101047. The reversal of 111002100101012 is 210101001200111.

It can be written as a sum of positive squares in only one way, i.e., 62341067844496 + 48661032256516 = 7895636^2 + 6975746^2 .

It is a junction number, because it is equal to n+sod(n) for n = 111002100100984 and 111002100101002.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13875262512623 + ... + 13875262512630.

It is an arithmetic number, because the mean of its divisors is an integer number (32375612529463).

Almost surely, 2^{111002100101012} is an apocalyptic number.

It is an amenable number.

111002100101012 is a deficient number, since it is larger than the sum of its proper divisors (83251575075766).

111002100101012 is a wasteful number, since it uses less digits than its factorization.

111002100101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27750525025257 (or 27750525025255 counting only the distinct ones).

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 111002100101012 its reverse (210101001200111), we get a palindrome (321103101301123).

The spelling of 111002100101012 in words is "one hundred eleven trillion, two billion, one hundred million, one hundred one thousand, twelve".