21120112112002 has 32 divisors (see below), whose sum is σ = 32205543552000. Its totient is φ = 10385761275648.

The previous prime is 21120112111999. The next prime is 21120112112089. The reversal of 21120112112002 is 20021121102112.

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, 570040374 + ... + 570077422.

It is an arithmetic number, because the mean of its divisors is an integer number (1006423236000).

Almost surely, 2^{21120112112002} is an apocalyptic number.

21120112112002 is a deficient number, since it is larger than the sum of its proper divisors (11085431439998).

21120112112002 is a wasteful number, since it uses less digits than its factorization.

21120112112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48130.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 21120112112002 its reverse (20021121102112), we get a palindrome (41141233214114).

The spelling of 21120112112002 in words is "twenty-one trillion, one hundred twenty billion, one hundred twelve million, one hundred twelve thousand, two".