20112112122002 has 16 divisors (see below), whose sum is σ = 30307069900800. Its totient is φ = 10009859887872.

The previous prime is 20112112121951. The next prime is 20112112122061. The reversal of 20112112122002 is 20022121121102.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25714127 + ... + 26484722.

It is an arithmetic number, because the mean of its divisors is an integer number (1894191868800).

Almost surely, 2^{20112112122002} is an apocalyptic number.

20112112122002 is a deficient number, since it is larger than the sum of its proper divisors (10194957778798).

20112112122002 is a wasteful number, since it uses less digits than its factorization.

20112112122002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52199737.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112112122002 its reverse (20022121121102), we get a palindrome (40134233243104).

The spelling of 20112112122002 in words is "twenty trillion, one hundred twelve billion, one hundred twelve million, one hundred twenty-two thousand, two".