101001202221 has 8 divisors (see below), whose sum is σ = 134671961344. Its totient is φ = 67332288960.

The previous prime is 101001202171. The next prime is 101001202223. The reversal of 101001202221 is 122202100101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-101001202221 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 101001202197 and 101001202206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101001202223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 328300 + ... + 556581.

It is an arithmetic number, because the mean of its divisors is an integer number (16833995168).

Almost surely, 2^101001202221 is an apocalyptic number.

It is an amenable number.

101001202221 is a deficient number, since it is larger than the sum of its proper divisors (33670759123).

101001202221 is an equidigital number, since it uses as much as digits as its factorization.

101001202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 922931.

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 101001202221 its reverse (122202100101), we get a palindrome (223203302322).

The spelling of 101001202221 in words is "one hundred one billion, one million, two hundred two thousand, two hundred twenty-one".