100120112121010 has 16 divisors (see below), whose sum is σ = 180363557687616. Its totient is φ = 40015299099568.

The previous prime is 100120112120993. The next prime is 100120112121049. The reversal of 100120112121010 is 10121211021001.

It is a happy number.

It is a super-2 number, since 2×100120112121010² (a number of 29 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4093205764 + ... + 4093230223.

It is an arithmetic number, because the mean of its divisors is an integer number (11272722355476).

Almost surely, 2^{100120112121010} is an apocalyptic number.

100120112121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120112121010 is a deficient number, since it is larger than the sum of its proper divisors (80243445566606).

100120112121010 is a wasteful number, since it uses less digits than its factorization.

100120112121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8186437217.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 100120112121010 its reverse (10121211021001), we get a palindrome (110241323142011).

The spelling of 100120112121010 in words is "one hundred trillion, one hundred twenty billion, one hundred twelve million, one hundred twenty-one thousand, ten".