100121012113210 has 64 divisors (see below), whose sum is σ = 196724443132800. Its totient is φ = 36384836051200.

The previous prime is 100121012113189. The next prime is 100121012113249. The reversal of 100121012113210 is 12311210121001.

It is a happy number.

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, 1254153576 + ... + 1254233404.

It is an arithmetic number, because the mean of its divisors is an integer number (3073819423950).

Almost surely, 2^{100121012113210} is an apocalyptic number.

100121012113210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100121012113210 is a deficient number, since it is larger than the sum of its proper divisors (96603431019590).

100121012113210 is a wasteful number, since it uses less digits than its factorization.

100121012113210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86847.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 100121012113210 its reverse (12311210121001), we get a palindrome (112432222234211).

The spelling of 100121012113210 in words is "one hundred trillion, one hundred twenty-one billion, twelve million, one hundred thirteen thousand, two hundred ten".