101100220120 has 16 divisors (see below), whose sum is σ = 227475495360. Its totient is φ = 40440088032.

The previous prime is 101100220079. The next prime is 101100220159. The reversal of 101100220120 is 21022001101.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 101100220097 and 101100220106.

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 3 ways as a sum of consecutive naturals, for example, 1263752712 + ... + 1263752791.

It is an arithmetic number, because the mean of its divisors is an integer number (14217218460).

Almost surely, 2^101100220120 is an apocalyptic number.

101100220120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100220120 is an abundant number, since it is smaller than the sum of its proper divisors (126375275240).

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

101100220120 is a wasteful number, since it uses less digits than its factorization.

101100220120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2527505514 (or 2527505510 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 101100220120 its reverse (21022001101), we get a palindrome (122122221221).

The spelling of 101100220120 in words is "one hundred one billion, one hundred million, two hundred twenty thousand, one hundred twenty".