111211355454442 has 8 divisors (see below), whose sum is σ = 166817769967332. Its totient is φ = 55605432132000.

The previous prime is 111211355454439. The next prime is 111211355454473. The reversal of 111211355454442 is 244454553112111.

It can be written as a sum of positive squares in 2 ways, for example, as 89861697570681 + 21349657883761 = 9479541^2 + 4620569^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122231059 + ... + 123137542.

Almost surely, 2^{111211355454442} is an apocalyptic number.

111211355454442 is a deficient number, since it is larger than the sum of its proper divisors (55606414512890).

111211355454442 is a wasteful number, since it uses less digits than its factorization.

111211355454442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245595224.

The product of its digits is 384000, while the sum is 43.

The spelling of 111211355454442 in words is "one hundred eleven trillion, two hundred eleven billion, three hundred fifty-five million, four hundred fifty-four thousand, four hundred forty-two".