101010211111 has 16 divisors (see below), whose sum is σ = 104473600000. Its totient is φ = 97601964768.

The previous prime is 101010211109. The next prime is 101010211147. The reversal of 101010211111 is 111112010101.

It is a cyclic number.

It is not a de Polignac number, because 101010211111 - 2¹ = 101010211109 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101010211811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1879390 + ... + 1932388.

It is an arithmetic number, because the mean of its divisors is an integer number (6529600000).

Almost surely, 2^101010211111 is an apocalyptic number.

101010211111 is a deficient number, since it is larger than the sum of its proper divisors (3463388889).

101010211111 is a wasteful number, since it uses less digits than its factorization.

101010211111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53518.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 101010211111 its reverse (111112010101), we get a palindrome (212122221212).

The spelling of 101010211111 in words is "one hundred one billion, ten million, two hundred eleven thousand, one hundred eleven".