111101211120102 has 64 divisors (see below), whose sum is σ = 268912398680064. Its totient is φ = 29872756454400.

The previous prime is 111101211120077. The next prime is 111101211120439. The reversal of 111101211120102 is 201021112101111.

It is a super-2 number, since 2×111101211120102² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1656399 + ... + 14998202.

It is an arithmetic number, because the mean of its divisors is an integer number (4201756229376).

Almost surely, 2^{111101211120102} is an apocalyptic number.

111101211120102 is an abundant number, since it is smaller than the sum of its proper divisors (157811187559962).

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

111101211120102 is a wasteful number, since it uses less digits than its factorization.

111101211120102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16663973.

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 111101211120102 its reverse (201021112101111), we get a palindrome (312122323221213).

The spelling of 111101211120102 in words is "one hundred eleven trillion, one hundred one billion, two hundred eleven million, one hundred twenty thousand, one hundred two".