200120012211100 has 36 divisors (see below), whose sum is σ = 435674955641464. Its totient is φ = 79787262185280.

The previous prime is 200120012211071. The next prime is 200120012211109. The reversal of 200120012211100 is 1112210021002.

It is a super-2 number, since 2×200120012211100² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (200120012211109) 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, 3259252887 + ... + 3259314286.

Almost surely, 2^{200120012211100} is an apocalyptic number.

200120012211100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

200120012211100 is an abundant number, since it is smaller than the sum of its proper divisors (235554943430364).

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

200120012211100 is a wasteful number, since it uses less digits than its factorization.

200120012211100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518567494 (or 6518567487 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 200120012211100 its reverse (1112210021002), we get a palindrome (201232222232102).

The spelling of 200120012211100 in words is "two hundred trillion, one hundred twenty billion, twelve million, two hundred eleven thousand, one hundred".