20112221134102 has 32 divisors (see below), whose sum is σ = 30715214823648. Its totient is φ = 9874383360000.

The previous prime is 20112221134091. The next prime is 20112221134111. The reversal of 20112221134102 is 20143112221102.

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, 704663952 + ... + 704692492.

It is an arithmetic number, because the mean of its divisors is an integer number (959850463239).

Almost surely, 2^{20112221134102} is an apocalyptic number.

20112221134102 is a deficient number, since it is larger than the sum of its proper divisors (10602993689546).

20112221134102 is a wasteful number, since it uses less digits than its factorization.

20112221134102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38256.

The product of its (nonzero) digits is 384, while the sum is 22.

Adding to 20112221134102 its reverse (20143112221102), we get a palindrome (40255333355204).

The spelling of 20112221134102 in words is "twenty trillion, one hundred twelve billion, two hundred twenty-one million, one hundred thirty-four thousand, one hundred two".