110100212120020 has 24 divisors (see below), whose sum is σ = 234661347625824. Its totient is φ = 43382770148256.

The previous prime is 110100212119979. The next prime is 110100212120051. The reversal of 110100212120020 is 20021212001011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41082167362 + ... + 41082170041.

It is an arithmetic number, because the mean of its divisors is an integer number (9777556151076).

Almost surely, 2^{110100212120020} is an apocalyptic number.

110100212120020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

110100212120020 is an abundant number, since it is smaller than the sum of its proper divisors (124561135505804).

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

110100212120020 is a wasteful number, since it uses less digits than its factorization.

110100212120020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82164337479 (or 82164337477 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 110100212120020 its reverse (20021212001011), we get a palindrome (130121424121031).

The spelling of 110100212120020 in words is "one hundred ten trillion, one hundred billion, two hundred twelve million, one hundred twenty thousand, twenty".