101022000221 has 8 divisors (see below), whose sum is σ = 104511493080. Its totient is φ = 97532905792.

The previous prime is 101022000203. The next prime is 101022000259. The reversal of 101022000221 is 122000220101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5918224900 + 95103775321 = 76930^2 + 308389^2 .

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-101022000221 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 (101028000221) 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, 471911 + ... + 651723.

It is an arithmetic number, because the mean of its divisors is an integer number (13063936635).

Almost surely, 2^101022000221 is an apocalyptic number.

It is an amenable number.

101022000221 is a deficient number, since it is larger than the sum of its proper divisors (3489492859).

101022000221 is a wasteful number, since it uses less digits than its factorization.

101022000221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 199215.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 101022000221 its reverse (122000220101), we get a palindrome (223022220322).

The spelling of 101022000221 in words is "one hundred one billion, twenty-two million, two hundred twenty-one", and thus it is an aban number.