1000111122102 has 24 divisors (see below), whose sum is σ = 2124803564136. Its totient is φ = 313760351488.

The previous prime is 1000111122089. The next prime is 1000111122107. The reversal of 1000111122102 is 2012211110001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000111122107) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 288380943 + ... + 288384410.

It is an arithmetic number, because the mean of its divisors is an integer number (88533481839).

Almost surely, 2^{1000111122102} is an apocalyptic number.

1000111122102 is an abundant number, since it is smaller than the sum of its proper divisors (1124692442034).

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

1000111122102 is a wasteful number, since it uses less digits than its factorization.

1000111122102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576765392 (or 576765375 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1000111122102 its reverse (2012211110001), we get a palindrome (3012322232103).

The spelling of 1000111122102 in words is "one trillion, one hundred eleven million, one hundred twenty-two thousand, one hundred two".