111421301534031 has 16 divisors (see below), whose sum is σ = 148715179797888. Its totient is φ = 74204169295200.

The previous prime is 111421301534009. The next prime is 111421301534051. The reversal of 111421301534031 is 130435103124111.

It is a happy number.

It is not a de Polignac number, because 111421301534031 - 2⁴³ = 102625208511823 is a prime.

It is a super-2 number, since 2×111421301534031² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 111421301534031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111421301534051) 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, 15760716 + ... + 21708126.

It is an arithmetic number, because the mean of its divisors is an integer number (9294698737368).

Almost surely, 2^{111421301534031} is an apocalyptic number.

111421301534031 is a deficient number, since it is larger than the sum of its proper divisors (37293878263857).

111421301534031 is a wasteful number, since it uses less digits than its factorization.

111421301534031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953862.

The product of its (nonzero) digits is 4320, while the sum is 30.

Adding to 111421301534031 its reverse (130435103124111), we get a palindrome (241856404658142).

The spelling of 111421301534031 in words is "one hundred eleven trillion, four hundred twenty-one billion, three hundred one million, five hundred thirty-four thousand, thirty-one".