10111110101012 has 6 divisors (see below), whose sum is σ = 17694442676778. Its totient is φ = 5055555050504.

The previous prime is 10111110100997. The next prime is 10111110101017. The reversal of 10111110101012 is 21010101111101.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 9678296112016 + 432813988996 = 3110996^2 + 657886^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10111110100984 and 10111110101002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111110101017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1263888762623 + ... + 1263888762630.

It is an arithmetic number, because the mean of its divisors is an integer number (2949073779463).

Almost surely, 2^{10111110101012} is an apocalyptic number.

It is an amenable number.

10111110101012 is a deficient number, since it is larger than the sum of its proper divisors (7583332575766).

10111110101012 is a wasteful number, since it uses less digits than its factorization.

10111110101012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527777525257 (or 2527777525255 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 11.

Adding to 10111110101012 its reverse (21010101111101), we get a palindrome (31121211212113).

The spelling of 10111110101012 in words is "ten trillion, one hundred eleven billion, one hundred ten million, one hundred one thousand, twelve".