101120111111111 has 4 divisors (see below), whose sum is σ = 101847593925000. Its totient is φ = 100392628297224.

The previous prime is 101120111111101. The next prime is 101120111111119. The reversal of 101120111111111 is 111111111021101.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101120111111111 is a prime.

It is a super-2 number, since 2×101120111111111² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

101120111111111 is a modest number, since divided by 11111111 gives 1011201 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101120111111119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 363741406736 + ... + 363741407013.

It is an arithmetic number, because the mean of its divisors is an integer number (25461898481250).

Almost surely, 2^{101120111111111} is an apocalyptic number.

101120111111111 is a deficient number, since it is larger than the sum of its proper divisors (727482813889).

101120111111111 is an equidigital number, since it uses as much as digits as its factorization.

101120111111111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727482813888.

The product of its (nonzero) digits is 2, while the sum is 14.

Adding to 101120111111111 its reverse (111111111021101), we get a palindrome (212231222132212).

The spelling of 101120111111111 in words is "one hundred one trillion, one hundred twenty billion, one hundred eleven million, one hundred eleven thousand, one hundred eleven".