111401210454 has 64 divisors (see below), whose sum is σ = 235745814528. Its totient is φ = 35037561600.

The previous prime is 111401210429. The next prime is 111401210471. The reversal of 111401210454 is 454012104111.

It is a happy number.

It is a super-2 number, since 2×111401210454² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15881452 + ... + 15888464.

It is an arithmetic number, because the mean of its divisors is an integer number (3683528352).

Almost surely, 2^111401210454 is an apocalyptic number.

111401210454 is an abundant number, since it is smaller than the sum of its proper divisors (124344604074).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111401210454 is a wasteful number, since it uses less digits than its factorization.

111401210454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9173.

The product of its (nonzero) digits is 640, while the sum is 24.

Adding to 111401210454 its reverse (454012104111), we get a palindrome (565413314565).

The spelling of 111401210454 in words is "one hundred eleven billion, four hundred one million, two hundred ten thousand, four hundred fifty-four".