111412101113021 has 2 divisors, whose sum is σ = 111412101113022. Its totient is φ = 111412101113020.

The previous prime is 111412101112973. The next prime is 111412101113057. The reversal of 111412101113021 is 120311101214111.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 110838552384121 + 573548728900 = 10527989^2 + 757330^2 .

It is a cyclic number.

It is not a de Polignac number, because 111412101113021 - 2⁶ = 111412101112957 is a prime.

It is a super-3 number, since 3×111412101113021³ (a number of 43 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 111412101112984 and 111412101113002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (111412101113081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55706050556510 + 55706050556511.

It is an arithmetic number, because the mean of its divisors is an integer number (55706050556511).

Almost surely, 2^{111412101113021} is an apocalyptic number.

It is an amenable number.

111412101113021 is a deficient number, since it is larger than the sum of its proper divisors (1).

111412101113021 is an equidigital number, since it uses as much as digits as its factorization.

111412101113021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48, while the sum is 20.

Adding to 111412101113021 its reverse (120311101214111), we get a palindrome (231723202327132).

The spelling of 111412101113021 in words is "one hundred eleven trillion, four hundred twelve billion, one hundred one million, one hundred thirteen thousand, twenty-one".