101111001111111 has 32 divisors (see below), whose sum is σ = 135934309195776. Its totient is φ = 66849711264000.

The previous prime is 101111001111101. The next prime is 101111001111143. The reversal of 101111001111111 is 111111100111101.

It is not a de Polignac number, because 101111001111111 - 2⁹ = 101111001110599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101111001111101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 533734570 + ... + 533923976.

It is an arithmetic number, because the mean of its divisors is an integer number (4247947162368).

Almost surely, 2^{101111001111111} is an apocalyptic number.

101111001111111 is a deficient number, since it is larger than the sum of its proper divisors (34823308084665).

101111001111111 is a wasteful number, since it uses less digits than its factorization.

101111001111111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192303.

The product of its (nonzero) digits is 1, while the sum is 12.

Adding to 101111001111111 its reverse (111111100111101), we get a palindrome (212222101222212).

It can be divided in two parts, 10111100 and 1111111, that added together give a palindrome (11222211).

The spelling of 101111001111111 in words is "one hundred one trillion, one hundred eleven billion, one million, one hundred eleven thousand, one hundred eleven".