101520046224181 has 16 divisors (see below), whose sum is σ = 110145156582384. Its totient is φ = 93011711353344.

The previous prime is 101520046224173. The next prime is 101520046224193. The reversal of 101520046224181 is 181422640025101.

It can be written as a sum of positive squares in 8 ways, for example, as 13254660083025 + 88265386141156 = 3640695^2 + 9394966^2 .

It is a cyclic number.

It is not a de Polignac number, because 101520046224181 - 2³ = 101520046224173 is a prime.

It is a super-2 number, since 2×101520046224181² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 101520046224181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101520046224131) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6377095 + ... + 15611131.

It is an arithmetic number, because the mean of its divisors is an integer number (6884072286399).

Almost surely, 2^{101520046224181} is an apocalyptic number.

It is an amenable number.

101520046224181 is a deficient number, since it is larger than the sum of its proper divisors (8625110358203).

101520046224181 is a wasteful number, since it uses less digits than its factorization.

101520046224181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9240360.

The product of its (nonzero) digits is 30720, while the sum is 37.

Adding to 101520046224181 its reverse (181422640025101), we get a palindrome (282942686249282).

The spelling of 101520046224181 in words is "one hundred one trillion, five hundred twenty billion, forty-six million, two hundred twenty-four thousand, one hundred eighty-one".