101111101111010 has 32 divisors (see below), whose sum is σ = 186542411311872. Its totient is φ = 39438141724800.

The previous prime is 101111101110979. The next prime is 101111101111043. The reversal of 101111101111010 is 10111101111101.

It is a junction number, because it is equal to n+sod(n) for n = 101111101110982 and 101111101111000.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 195367274 + ... + 195884133.

It is an arithmetic number, because the mean of its divisors is an integer number (5829450353496).

Almost surely, 2^{101111101111010} is an apocalyptic number.

101111101111010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

101111101111010 is a deficient number, since it is larger than the sum of its proper divisors (85431310200862).

101111101111010 is a wasteful number, since it uses less digits than its factorization.

101111101111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391252058.

The product of its (nonzero) digits is 1, while the sum is 11.

Adding to 101111101111010 its reverse (10111101111101), we get a palindrome (111222202222111).

Subtracting from 101111101111010 its reverse (10111101111101), we obtain a palindrome (90999999999909).

The spelling of 101111101111010 in words is "one hundred one trillion, one hundred eleven billion, one hundred one million, one hundred eleven thousand, ten".