111411400114421 has 32 divisors (see below), whose sum is σ = 128506231572480. Its totient is φ = 95525738985600.

The previous prime is 111411400114387. The next prime is 111411400114433. The reversal of 111411400114421 is 124411004114111.

It is not a de Polignac number, because 111411400114421 - 2¹⁰ = 111411400113397 is a prime.

It is a super-2 number, since 2×111411400114421² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111411400114451) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 65108036 + ... + 66797298.

It is an arithmetic number, because the mean of its divisors is an integer number (4015819736640).

Almost surely, 2^{111411400114421} is an apocalyptic number.

111411400114421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

111411400114421 is a deficient number, since it is larger than the sum of its proper divisors (17094831458059).

111411400114421 is a wasteful number, since it uses less digits than its factorization.

111411400114421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1690697.

The product of its (nonzero) digits is 512, while the sum is 26.

Adding to 111411400114421 its reverse (124411004114111), we get a palindrome (235822404228532).

The spelling of 111411400114421 in words is "one hundred eleven trillion, four hundred eleven billion, four hundred million, one hundred fourteen thousand, four hundred twenty-one".