131111100122 has 32 divisors (see below), whose sum is σ = 214482643200. Its totient is φ = 59918842368.

The previous prime is 131111100103. The next prime is 131111100157. The reversal of 131111100122 is 221001111131.

It is a super-3 number, since 3×131111100122³ (a number of 34 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 131111100097 and 131111100106.

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, 377222 + ... + 636017.

It is an arithmetic number, because the mean of its divisors is an integer number (6702582600).

Almost surely, 2^131111100122 is an apocalyptic number.

131111100122 is a deficient number, since it is larger than the sum of its proper divisors (83371543078).

131111100122 is a wasteful number, since it uses less digits than its factorization.

131111100122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1013390.

The product of its (nonzero) digits is 12, while the sum is 14.

Adding to 131111100122 its reverse (221001111131), we get a palindrome (352112211253).

The spelling of 131111100122 in words is "one hundred thirty-one billion, one hundred eleven million, one hundred thousand, one hundred twenty-two".