13111221131032 has 16 divisors (see below), whose sum is σ = 24584056178760. Its totient is φ = 6555472816704.

The previous prime is 13111221131023. The next prime is 13111221131131. The reversal of 13111221131032 is 23013112211131.

It is a junction number, because it is equal to n+sod(n) for n = 13111221130994 and 13111221131012.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16813518 + ... + 17576029.

Almost surely, 2^{13111221131032} is an apocalyptic number.

It is an amenable number.

13111221131032 is a deficient number, since it is larger than the sum of its proper divisors (11472835047728).

13111221131032 is a wasteful number, since it uses less digits than its factorization.

13111221131032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34437210 (or 34437206 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 22.

Adding to 13111221131032 its reverse (23013112211131), we get a palindrome (36124333342163).

The spelling of 13111221131032 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-one million, one hundred thirty-one thousand, thirty-two".