101040221041 has 4 divisors (see below), whose sum is σ = 102424333732. Its totient is φ = 99656108352.

The previous prime is 101040221033. The next prime is 101040221147. The reversal of 101040221041 is 140122040101.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27729243441 + 73310977600 = 166521^2 + 270760^2 .

It is a cyclic number.

It is not a de Polignac number, because 101040221041 - 2³ = 101040221033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101040221441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 692056236 + ... + 692056381.

It is an arithmetic number, because the mean of its divisors is an integer number (25606083433).

Almost surely, 2^101040221041 is an apocalyptic number.

It is an amenable number.

101040221041 is a deficient number, since it is larger than the sum of its proper divisors (1384112691).

101040221041 is an equidigital number, since it uses as much as digits as its factorization.

101040221041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1384112690.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 101040221041 its reverse (140122040101), we get a palindrome (241162261142).

The spelling of 101040221041 in words is "one hundred one billion, forty million, two hundred twenty-one thousand, forty-one".