100121011200210 has 256 divisors, whose sum is σ = 322639404208128. Its totient is φ = 19203333811200.

The previous prime is 100121011200191. The next prime is 100121011200239. The reversal of 100121011200210 is 12002110121001.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 1278367972 + ... + 1278446288.

It is an arithmetic number, because the mean of its divisors is an integer number (1260310172688).

Almost surely, 2^{100121011200210} is an apocalyptic number.

100121011200210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 100121011200210, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (161319702104064).

100121011200210 is an abundant number, since it is smaller than the sum of its proper divisors (222518393007918).

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

100121011200210 is a wasteful number, since it uses less digits than its factorization.

100121011200210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120929.

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

Adding to 100121011200210 its reverse (12002110121001), we get a palindrome (112123121321211).

The spelling of 100121011200210 in words is "one hundred trillion, one hundred twenty-one billion, eleven million, two hundred thousand, two hundred ten".