100011200121210 has 64 divisors (see below), whose sum is σ = 274362908700672. Its totient is φ = 22855830044736.

The previous prime is 100011200121109. The next prime is 100011200121299. The reversal of 100011200121210 is 12121002110001.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 39099504 + ... + 41578763.

It is an arithmetic number, because the mean of its divisors is an integer number (4286920448448).

Almost surely, 2^{100011200121210} is an apocalyptic number.

100011200121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100011200121210 is an abundant number, since it is smaller than the sum of its proper divisors (174351708579462).

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

100011200121210 is a wasteful number, since it uses less digits than its factorization.

100011200121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80684187.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 100011200121210 its reverse (12121002110001), we get a palindrome (112132202231211).

The spelling of 100011200121210 in words is "one hundred trillion, eleven billion, two hundred million, one hundred twenty-one thousand, two hundred ten".