1000111220102 has 16 divisors (see below), whose sum is σ = 1502678339232. Its totient is φ = 499219122240.

The previous prime is 1000111220047. The next prime is 1000111220137. The reversal of 1000111220102 is 2010221110001.

It is a super-2 number, since 2×1000111220102² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2785538 + ... + 3124010.

It is an arithmetic number, because the mean of its divisors is an integer number (93917396202).

Almost surely, 2^{1000111220102} is an apocalyptic number.

1000111220102 is a deficient number, since it is larger than the sum of its proper divisors (502567119130).

1000111220102 is a wasteful number, since it uses less digits than its factorization.

1000111220102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340943.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1000111220102 its reverse (2010221110001), we get a palindrome (3010332330103).

The spelling of 1000111220102 in words is "one trillion, one hundred eleven million, two hundred twenty thousand, one hundred two".