20001120212102 has 16 divisors (see below), whose sum is σ = 30700974999552. Its totient is φ = 9767485836360.

The previous prime is 20001120212041. The next prime is 20001120212131. The reversal of 20001120212102 is 20121202110002.

It is a congruent number.

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, 4307174 + ... + 7652057.

It is an arithmetic number, because the mean of its divisors is an integer number (1918810937472).

Almost surely, 2^{20001120212102} is an apocalyptic number.

20001120212102 is a deficient number, since it is larger than the sum of its proper divisors (10699854787450).

20001120212102 is a wasteful number, since it uses less digits than its factorization.

20001120212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11978723.

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

Adding to 20001120212102 its reverse (20121202110002), we get a palindrome (40122322322104).

The spelling of 20001120212102 in words is "twenty trillion, one billion, one hundred twenty million, two hundred twelve thousand, one hundred two".