100211020121200 has 60 divisors (see below), whose sum is σ = 242489040550120. Its totient is φ = 39796030990080.

The previous prime is 100211020121189. The next prime is 100211020121231. The reversal of 100211020121200 is 2121020112001.

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, 901122639 + ... + 901233838.

Almost surely, 2^{100211020121200} is an apocalyptic number.

100211020121200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100211020121200 is an abundant number, since it is smaller than the sum of its proper divisors (142278020428920).

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

100211020121200 is a wasteful number, since it uses less digits than its factorization.

100211020121200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802356634 (or 1802356623 counting only the distinct ones).

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

Adding to 100211020121200 its reverse (2121020112001), we get a palindrome (102332040233201).

The spelling of 100211020121200 in words is "one hundred trillion, two hundred eleven billion, twenty million, one hundred twenty-one thousand, two hundred".