12101111011422 has 48 divisors (see below), whose sum is σ = 26610797816928. Its totient is φ = 3973844275200.

The previous prime is 12101111011369. The next prime is 12101111011433. The reversal of 12101111011422 is 22411011110121.

12101111011422 is a `hidden beast` number, since 1 + 210 + 1 + 11 + 10 + 11 + 422 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 12101111011395 and 12101111011404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 16551579 + ... + 17267222.

It is an arithmetic number, because the mean of its divisors is an integer number (554391621186).

Almost surely, 2^{12101111011422} is an apocalyptic number.

12101111011422 is an abundant number, since it is smaller than the sum of its proper divisors (14509686805506).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12101111011422 is a wasteful number, since it uses less digits than its factorization.

12101111011422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33819105 (or 33819102 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 18.

Adding to 12101111011422 its reverse (22411011110121), we get a palindrome (34512122121543).

The spelling of 12101111011422 in words is "twelve trillion, one hundred one billion, one hundred eleven million, eleven thousand, four hundred twenty-two".