100111121210200 has 48 divisors (see below), whose sum is σ = 232824239678880. Its totient is φ = 40033113797760.

The previous prime is 100111121210143. The next prime is 100111121210251. The reversal of 100111121210200 is 2012121111001.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 70133424 + ... + 71546623.

It is an arithmetic number, because the mean of its divisors is an integer number (4850504993310).

Almost surely, 2^{100111121210200} is an apocalyptic number.

100111121210200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100111121210200 is an abundant number, since it is smaller than the sum of its proper divisors (132713118468680).

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

100111121210200 is a wasteful number, since it uses less digits than its factorization.

100111121210200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141683596 (or 141683587 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100111121210200 its reverse (2012121111001), we get a palindrome (102123242321201).

The spelling of 100111121210200 in words is "one hundred trillion, one hundred eleven billion, one hundred twenty-one million, two hundred ten thousand, two hundred".