111022002021204 has 36 divisors (see below), whose sum is σ = 283122480090996. Its totient is φ = 36679835474688.

The previous prime is 111022002021191. The next prime is 111022002021269. The reversal of 111022002021204 is 402120200220111.

It can be written as a sum of positive squares in 2 ways, for example, as 1340158153104 + 109681843868100 = 1157652^2 + 10472910^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×111022002021204³ (a number of 43 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13645768059 + ... + 13645776194.

It is an arithmetic number, because the mean of its divisors is an integer number (7864513335861).

Almost surely, 2^{111022002021204} is an apocalyptic number.

It is an amenable number.

111022002021204 is an abundant number, since it is smaller than the sum of its proper divisors (172100478069792).

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

111022002021204 is a wasteful number, since it uses less digits than its factorization.

111022002021204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27291544376 (or 27291544371 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 111022002021204 its reverse (402120200220111), we get a palindrome (513142202241315).

The spelling of 111022002021204 in words is "one hundred eleven trillion, twenty-two billion, two million, twenty-one thousand, two hundred four".