111320030222031 has 16 divisors (see below), whose sum is σ = 149580695616128. Its totient is φ = 73638484365600.

The previous prime is 111320030222029. The next prime is 111320030222077. The reversal of 111320030222031 is 130222030023111.

It is not a de Polignac number, because 111320030222031 - 2¹ = 111320030222029 is a prime.

It is a super-2 number, since 2×111320030222031² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111320030221989 and 111320030222007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111320030222431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 265441576 + ... + 265860621.

It is an arithmetic number, because the mean of its divisors is an integer number (9348793476008).

Almost surely, 2^{111320030222031} is an apocalyptic number.

111320030222031 is a deficient number, since it is larger than the sum of its proper divisors (38260665394097).

111320030222031 is a wasteful number, since it uses less digits than its factorization.

111320030222031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 531302742.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 111320030222031 its reverse (130222030023111), we get a palindrome (241542060245142).

The spelling of 111320030222031 in words is "one hundred eleven trillion, three hundred twenty billion, thirty million, two hundred twenty-two thousand, thirty-one".