100221110210120 has 32 divisors (see below), whose sum is σ = 225499188237120. Its totient is φ = 40088143592640.

The previous prime is 100221110210101. The next prime is 100221110210129. The reversal of 100221110210120 is 21012011122001.

It is a junction number, because it is equal to n+sod(n) for n = 100221110210095 and 100221110210104.

It is not an unprimeable number, because it can be changed into a prime (100221110210129) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3948332 + ... + 14698011.

It is an arithmetic number, because the mean of its divisors is an integer number (7046849632410).

Almost surely, 2^{100221110210120} is an apocalyptic number.

100221110210120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

100221110210120 is an abundant number, since it is smaller than the sum of its proper divisors (125278078027000).

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

100221110210120 is a wasteful number, since it uses less digits than its factorization.

100221110210120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18780725 (or 18780721 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 100221110210120 its reverse (21012011122001), we get a palindrome (121233121332121).

The spelling of 100221110210120 in words is "one hundred trillion, two hundred twenty-one billion, one hundred ten million, two hundred ten thousand, one hundred twenty".