101000011212220 has 24 divisors (see below), whose sum is σ = 212101640445744. Its totient is φ = 40399696503936.

The previous prime is 101000011212197. The next prime is 101000011212223. The reversal of 101000011212220 is 22212110000101.

It is a self number, because there is not a number n which added to its sum of digits gives 101000011212220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101000011212223) by changing a digit.

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, 16550457 + ... + 21815536.

It is an arithmetic number, because the mean of its divisors is an integer number (8837568351906).

Almost surely, 2^{101000011212220} is an apocalyptic number.

101000011212220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101000011212220 is an abundant number, since it is smaller than the sum of its proper divisors (111101629233524).

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

101000011212220 is a wasteful number, since it uses less digits than its factorization.

101000011212220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38497629 (or 38497627 counting only the distinct ones).

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

Adding to 101000011212220 its reverse (22212110000101), we get a palindrome (123212121212321).

The spelling of 101000011212220 in words is "one hundred one trillion, eleven million, two hundred twelve thousand, two hundred twenty".