1111112002102 has 48 divisors (see below), whose sum is σ = 1781985737520. Its totient is φ = 519461293824.

The previous prime is 1111112002097. The next prime is 1111112002103. The reversal of 1111112002102 is 2012002111111.

It is a happy number.

It is a super-2 number, since 2×1111112002102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1111112002103) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 36161898 + ... + 36192610.

It is an arithmetic number, because the mean of its divisors is an integer number (37124702865).

Almost surely, 2^{1111112002102} is an apocalyptic number.

1111112002102 is a deficient number, since it is larger than the sum of its proper divisors (670873735418).

1111112002102 is a wasteful number, since it uses less digits than its factorization.

1111112002102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31405 (or 31386 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1111112002102 its reverse (2012002111111), we get a palindrome (3123114113213).

The spelling of 1111112002102 in words is "one trillion, one hundred eleven billion, one hundred twelve million, two thousand, one hundred two".