200120202121112 has 64 divisors (see below), whose sum is σ = 468320299776000. Its totient is φ = 78053383255680.

The previous prime is 200120202121079. The next prime is 200120202121123. The reversal of 200120202121112 is 211121202021002.

It is a super-2 number, since 2×200120202121112² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1935796112 + ... + 1935899487.

It is an arithmetic number, because the mean of its divisors is an integer number (7317504684000).

Almost surely, 2^{200120202121112} is an apocalyptic number.

It is an amenable number.

200120202121112 is an abundant number, since it is smaller than the sum of its proper divisors (268200097654888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

200120202121112 is a wasteful number, since it uses less digits than its factorization.

200120202121112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3871695696 (or 3871695692 counting only the distinct ones).

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

Adding to 200120202121112 its reverse (211121202021002), we get a palindrome (411241404142114).

The spelling of 200120202121112 in words is "two hundred trillion, one hundred twenty billion, two hundred two million, one hundred twenty-one thousand, one hundred twelve".