20112222221102 has 32 divisors (see below), whose sum is σ = 32996554606080. Its totient is φ = 9118159550080.

The previous prime is 20112222221089. The next prime is 20112222221107.

20112222221102 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20112222221107) 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, 12312758 + ... + 13850214.

It is an arithmetic number, because the mean of its divisors is an integer number (1031142331440).

Almost surely, 2^{20112222221102} is an apocalyptic number.

20112222221102 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

20112222221102 is a deficient number, since it is larger than the sum of its proper divisors (12884332384978).

20112222221102 is a wasteful number, since it uses less digits than its factorization.

20112222221102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1539016.

The product of its (nonzero) digits is 256, while the sum is 20.

It can be divided in two parts, 2011222 and 2221102, that added together give a palindrome (4232324).

The spelling of 20112222221102 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-two million, two hundred twenty-one thousand, one hundred two".