101100102020220 has 24 divisors (see below), whose sum is σ = 283080285656784. Its totient is φ = 26960027205376.

The previous prime is 101100102020209. The next prime is 101100102020237. The reversal of 101100102020220 is 22020201001101.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 101100102020196 and 101100102020205.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 842500850109 + ... + 842500850228.

It is an arithmetic number, because the mean of its divisors is an integer number (11795011902366).

Almost surely, 2^{101100102020220} is an apocalyptic number.

101100102020220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101100102020220 is an abundant number, since it is smaller than the sum of its proper divisors (181980183636564).

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

101100102020220 is a wasteful number, since it uses less digits than its factorization.

101100102020220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1685001700349 (or 1685001700347 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101100102020220 its reverse (22020201001101), we get a palindrome (123120303021321).

The spelling of 101100102020220 in words is "one hundred one trillion, one hundred billion, one hundred two million, twenty thousand, two hundred twenty".