221131112111334 has 96 divisors (see below), whose sum is σ = 487862654292000. Its totient is φ = 72376663349760.

The previous prime is 221131112111323. The next prime is 221131112111401. The reversal of 221131112111334 is 433111211131122.

221131112111334 is a `hidden beast` number, since 2 + 2 + 1 + 1 + 3 + 111 + 211 + 1 + 334 = 666.

221131112111334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×221131112111334² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 221131112111298 and 221131112111307.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1079528644 + ... + 1079733464.

It is an arithmetic number, because the mean of its divisors is an integer number (5081902648875).

Almost surely, 2^{221131112111334} is an apocalyptic number.

221131112111334 is an abundant number, since it is smaller than the sum of its proper divisors (266731542180666).

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

221131112111334 is a wasteful number, since it uses less digits than its factorization.

221131112111334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209590 (or 209587 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

Adding to 221131112111334 its reverse (433111211131122), we get a palindrome (654242323242456).

The spelling of 221131112111334 in words is "two hundred twenty-one trillion, one hundred thirty-one billion, one hundred twelve million, one hundred eleven thousand, three hundred thirty-four".