20101112210200 has 72 divisors (see below), whose sum is σ = 54365304019500. Its totient is φ = 6891809897280.

The previous prime is 20101112210129. The next prime is 20101112210269. The reversal of 20101112210200 is 201221110102.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1025557150 + ... + 1025576749.

Almost surely, 2^{20101112210200} is an apocalyptic number.

20101112210200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

20101112210200 is an abundant number, since it is smaller than the sum of its proper divisors (34264191809300).

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

20101112210200 is a wasteful number, since it uses less digits than its factorization.

20101112210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2051133929 (or 2051133913 counting only the distinct ones).

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

Adding to 20101112210200 its reverse (201221110102), we get a palindrome (20302333320302).

The spelling of 20101112210200 in words is "twenty trillion, one hundred one billion, one hundred twelve million, two hundred ten thousand, two hundred".