111100220121202 has 8 divisors (see below), whose sum is σ = 179469586349676. Its totient is φ = 51277024671312.

The previous prime is 111100220121199. The next prime is 111100220121221. The reversal of 111100220121202 is 202121022001111.

It can be written as a sum of positive squares in 2 ways, for example, as 92448782670841 + 18651437450361 = 9615029^2 + 4318731^2 .

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, 2136542694613 + ... + 2136542694664.

Almost surely, 2^{111100220121202} is an apocalyptic number.

111100220121202 is a deficient number, since it is larger than the sum of its proper divisors (68369366228474).

111100220121202 is a wasteful number, since it uses less digits than its factorization.

111100220121202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4273085389292.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 111100220121202 its reverse (202121022001111), we get a palindrome (313221242122313).

The spelling of 111100220121202 in words is "one hundred eleven trillion, one hundred billion, two hundred twenty million, one hundred twenty-one thousand, two hundred two".