20212100112002 has 32 divisors (see below), whose sum is σ = 31074818227200. Its totient is φ = 9854612743248.

The previous prime is 20212100111999. The next prime is 20212100112007. The reversal of 20212100112002 is 20021100121202.

It is not an unprimeable number, because it can be changed into a prime (20212100112007) 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, 655391699 + ... + 655422537.

It is an arithmetic number, because the mean of its divisors is an integer number (971088069600).

Almost surely, 2^{20212100112002} is an apocalyptic number.

20212100112002 is a deficient number, since it is larger than the sum of its proper divisors (10862718115198).

20212100112002 is a wasteful number, since it uses less digits than its factorization.

20212100112002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43310.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 20212100112002 its reverse (20021100121202), we get a palindrome (40233200233204).

The spelling of 20212100112002 in words is "twenty trillion, two hundred twelve billion, one hundred million, one hundred twelve thousand, two".