100121121331210 has 32 divisors (see below), whose sum is σ = 205971436081152. Its totient is φ = 34325910518400.

The previous prime is 100121121331181. The next prime is 100121121331223. The reversal of 100121121331210 is 12133121121001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25911882 + ... + 29524021.

It is an arithmetic number, because the mean of its divisors is an integer number (6436607377536).

Almost surely, 2^{100121121331210} is an apocalyptic number.

100121121331210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121121331210 is an abundant number, since it is smaller than the sum of its proper divisors (105850314749942).

100121121331210 is a wasteful number, since it uses less digits than its factorization.

100121121331210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55461718.

The product of its (nonzero) digits is 72, while the sum is 19.

Adding to 100121121331210 its reverse (12133121121001), we get a palindrome (112254242452211).

The spelling of 100121121331210 in words is "one hundred trillion, one hundred twenty-one billion, one hundred twenty-one million, three hundred thirty-one thousand, two hundred ten".