111201220121102 has 8 divisors (see below), whose sum is σ = 166803513594816. Its totient is φ = 55600048922832.

The previous prime is 111201220121099. The next prime is 111201220121107. The reversal of 111201220121102 is 201121022102111.

111201220121102 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×111201220121102² (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 (111201220121107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 280321103 + ... + 280717514.

It is an arithmetic number, because the mean of its divisors is an integer number (20850439199352).

Almost surely, 2^{111201220121102} is an apocalyptic number.

111201220121102 is a deficient number, since it is larger than the sum of its proper divisors (55602293473714).

111201220121102 is an equidigital number, since it uses as much as digits as its factorization.

111201220121102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 561137722.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 111201220121102 its reverse (201121022102111), we get a palindrome (312322242223213).

The spelling of 111201220121102 in words is "one hundred eleven trillion, two hundred one billion, two hundred twenty million, one hundred twenty-one thousand, one hundred two".