20212111110200 has 48 divisors (see below), whose sum is σ = 48509066679360. Its totient is φ = 7824043008000.

The previous prime is 20212111110197. The next prime is 20212111110209. The reversal of 20212111110200 is 201111121202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20212111110209) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1630002761 + ... + 1630015160.

It is an arithmetic number, because the mean of its divisors is an integer number (1010605555820).

Almost surely, 2^{20212111110200} is an apocalyptic number.

20212111110200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20212111110200 is an abundant number, since it is smaller than the sum of its proper divisors (28296955569160).

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

20212111110200 is a wasteful number, since it uses less digits than its factorization.

20212111110200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3260017968 (or 3260017959 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20212111110200 its reverse (201111121202), we get a palindrome (20413222231402).

The spelling of 20212111110200 in words is "twenty trillion, two hundred twelve billion, one hundred eleven million, one hundred ten thousand, two hundred".