101011010111012 has 24 divisors (see below), whose sum is σ = 177258252496920. Its totient is φ = 50365874257920.

The previous prime is 101011010110973. The next prime is 101011010111017. The reversal of 101011010111012 is 210111010110101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17132777958976 + 83878232152036 = 4139176^2 + 9158506^2 .

It is a junction number, because it is equal to n+sod(n) for n = 101011010110984 and 101011010111002.

It is not an unprimeable number, because it can be changed into a prime (101011010111017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4785533 + ... + 14997444.

It is an arithmetic number, because the mean of its divisors is an integer number (7385760520705).

Almost surely, 2^{101011010111012} is an apocalyptic number.

It is an amenable number.

101011010111012 is a deficient number, since it is larger than the sum of its proper divisors (76247242385908).

101011010111012 is a wasteful number, since it uses less digits than its factorization.

101011010111012 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19786511 (or 19786509 counting only the distinct ones).

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

Adding to 101011010111012 its reverse (210111010110101), we get a palindrome (311122020221113).

The spelling of 101011010111012 in words is "one hundred one trillion, eleven billion, ten million, one hundred eleven thousand, twelve".