101033040221 has 4 divisors (see below), whose sum is σ = 106976160252. Its totient is φ = 95089920192.

The previous prime is 101033040203. The next prime is 101033040271. The reversal of 101033040221 is 122040330101.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 122040330101 = 97 ⋅1258147733.

It can be written as a sum of positive squares in 2 ways, for example, as 79741852996 + 21291187225 = 282386^2 + 145915^2 .

It is a cyclic number.

It is not a de Polignac number, because 101033040221 - 2¹⁴ = 101033023837 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 5943120013 = 101033040221 / (1 + 0 + 1 + 0 + 3 + 3 + 0 + 4 + 0 + 2 + 2 + 1).

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 101033040221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101033040271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2971559990 + ... + 2971560023.

It is an arithmetic number, because the mean of its divisors is an integer number (26744040063).

Almost surely, 2^101033040221 is an apocalyptic number.

It is an amenable number.

101033040221 is a deficient number, since it is larger than the sum of its proper divisors (5943120031).

101033040221 is an equidigital number, since it uses as much as digits as its factorization.

101033040221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5943120030.

The product of its (nonzero) digits is 144, while the sum is 17.

Adding to 101033040221 its reverse (122040330101), we get a palindrome (223073370322).

The spelling of 101033040221 in words is "one hundred one billion, thirty-three million, forty thousand, two hundred twenty-one".