100120221101010 has 96 divisors (see below), whose sum is σ = 264122912079936. Its totient is φ = 24271190697600.

The previous prime is 100120221100997. The next prime is 100120221101041. The reversal of 100120221101010 is 10101122021001.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285037212 + ... + 285388248.

It is an arithmetic number, because the mean of its divisors is an integer number (2751280334166).

Almost surely, 2^{100120221101010} is an apocalyptic number.

100120221101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

100120221101010 is an abundant number, since it is smaller than the sum of its proper divisors (164002690978926).

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

100120221101010 is a wasteful number, since it uses less digits than its factorization.

100120221101010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 429640 (or 429629 counting only the distinct ones).

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

Adding to 100120221101010 its reverse (10101122021001), we get a palindrome (110221343122011).

The spelling of 100120221101010 in words is "one hundred trillion, one hundred twenty billion, two hundred twenty-one million, one hundred one thousand, ten".