11112101012 has 6 divisors (see below), whose sum is σ = 19446176778. Its totient is φ = 5556050504.

The previous prime is 11112100957. The next prime is 11112101081. The reversal of 11112101012 is 21010121111.

It can be written as a sum of positive squares in only one way, i.e., 8252632336 + 2859468676 = 90844^2 + 53474^2 .

It is a junction number, because it is equal to n+sod(n) for n = 11112100984 and 11112101002.

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, 1389012623 + ... + 1389012630.

It is an arithmetic number, because the mean of its divisors is an integer number (3241029463).

Almost surely, 2^11112101012 is an apocalyptic number.

It is an amenable number.

11112101012 is a deficient number, since it is larger than the sum of its proper divisors (8334075766).

11112101012 is a wasteful number, since it uses less digits than its factorization.

11112101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2778025257 (or 2778025255 counting only the distinct ones).

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

Adding to 11112101012 its reverse (21010121111), we get a palindrome (32122222123).

It can be divided in two parts, 1111 and 2101012, that multiplied together give a palindrome (2334224332).

The spelling of 11112101012 in words is "eleven billion, one hundred twelve million, one hundred one thousand, twelve".