101475040125221 has 24 divisors (see below), whose sum is σ = 121735769469336. Its totient is φ = 84276679495680.

The previous prime is 101475040125161. The next prime is 101475040125271. The reversal of 101475040125221 is 122521040574101.

It can be written as a sum of positive squares in 4 ways, for example, as 82487355885025 + 18987684240196 = 9082255^2 + 4357486^2 .

It is not a de Polignac number, because 101475040125221 - 2¹⁰ = 101475040124197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101475040125271) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 115685036 + ... + 116558901.

It is an arithmetic number, because the mean of its divisors is an integer number (5072323727889).

Almost surely, 2^{101475040125221} is an apocalyptic number.

It is an amenable number.

101475040125221 is a deficient number, since it is larger than the sum of its proper divisors (20260729344115).

101475040125221 is a wasteful number, since it uses less digits than its factorization.

101475040125221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232244229 (or 232244222 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 35.

Adding to 101475040125221 its reverse (122521040574101), we get a palindrome (223996080699322).

The spelling of 101475040125221 in words is "one hundred one trillion, four hundred seventy-five billion, forty million, one hundred twenty-five thousand, two hundred twenty-one".