111111112002102 has 32 divisors (see below), whose sum is σ = 223247681072640. Its totient is φ = 36866260680480.

The previous prime is 111111112002091. The next prime is 111111112002103. The reversal of 111111112002102 is 201200211111111.

It is a super-2 number, since 2×111111112002102² (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 (111111112002103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13260424 + ... + 19951467.

It is an arithmetic number, because the mean of its divisors is an integer number (6976490033520).

Almost surely, 2^{111111112002102} is an apocalyptic number.

111111112002102 is an abundant number, since it is smaller than the sum of its proper divisors (112136569070538).

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

111111112002102 is a wasteful number, since it uses less digits than its factorization.

111111112002102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33214468.

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

Adding to 111111112002102 its reverse (201200211111111), we get a palindrome (312311323113213).

The spelling of 111111112002102 in words is "one hundred eleven trillion, one hundred eleven billion, one hundred twelve million, two thousand, one hundred two".