101043344420 has 24 divisors (see below), whose sum is σ = 213739868664. Its totient is φ = 40122319616.

The previous prime is 101043344387. The next prime is 101043344443. The reversal of 101043344420 is 24443340101.

It can be written as a sum of positive squares in 4 ways, for example, as 43453903936 + 57589440484 = 208456^2 + 239978^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 101043344420.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18435827 + ... + 18441306.

It is an arithmetic number, because the mean of its divisors is an integer number (8905827861).

Almost surely, 2^101043344420 is an apocalyptic number.

101043344420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

101043344420 is an abundant number, since it is smaller than the sum of its proper divisors (112696524244).

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

101043344420 is a wasteful number, since it uses less digits than its factorization.

101043344420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36877279 (or 36877277 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 101043344420 its reverse (24443340101), we get a palindrome (125486684521).

The spelling of 101043344420 in words is "one hundred one billion, forty-three million, three hundred forty-four thousand, four hundred twenty".