20111002222102 has 32 divisors (see below), whose sum is σ = 32931064732320. Its totient is φ = 9135213400320.

The previous prime is 20111002222067. The next prime is 20111002222117. The reversal of 20111002222102 is 20122220011102.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 204603424 + ... + 204701692.

It is an arithmetic number, because the mean of its divisors is an integer number (1029095772885).

Almost surely, 2^{20111002222102} is an apocalyptic number.

20111002222102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20111002222102 is a deficient number, since it is larger than the sum of its proper divisors (12820062510218).

20111002222102 is a wasteful number, since it uses less digits than its factorization.

20111002222102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104448.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20111002222102 its reverse (20122220011102), we get a palindrome (40233222233204).

The spelling of 20111002222102 in words is "twenty trillion, one hundred eleven billion, two million, two hundred twenty-two thousand, one hundred two".