101111111010010 has 16 divisors (see below), whose sum is σ = 183801980016072. Its totient is φ = 40044004360000.

The previous prime is 101111111009971. The next prime is 101111111010023. The reversal of 101111111010010 is 10010111111101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 100638395633161 + 472715376849 = 10031869^2 + 687543^2 .

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50055004441 + ... + 50055006460.

Almost surely, 2^{101111111010010} is an apocalyptic number.

101111111010010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111111010010 is a deficient number, since it is larger than the sum of its proper divisors (82690869006062).

101111111010010 is a wasteful number, since it uses less digits than its factorization.

101111111010010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100110011009.

The product of its (nonzero) digits is 1, while the sum is 10.

Adding to 101111111010010 its reverse (10010111111101), we get a palindrome (111121222121111).

The spelling of 101111111010010 in words is "one hundred one trillion, one hundred eleven billion, one hundred eleven million, ten thousand, ten".