8010101221 has 8 divisors (see below), whose sum is σ = 8066071904. Its totient is φ = 7954193520.

The previous prime is 8010101179. The next prime is 8010101237. The reversal of 8010101221 is 1221010108.

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

It is a cyclic number.

It is not a de Polignac number, because 8010101221 - 2¹³ = 8010093029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8010101195 and 8010101204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8010101321) 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 7 ways as a sum of consecutive naturals, for example, 255706 + ... + 285316.

It is an arithmetic number, because the mean of its divisors is an integer number (1008258988).

Almost surely, 2^8010101221 is an apocalyptic number.

It is an amenable number.

8010101221 is a deficient number, since it is larger than the sum of its proper divisors (55970683).

8010101221 is a wasteful number, since it uses less digits than its factorization.

8010101221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31491.

The product of its (nonzero) digits is 32, while the sum is 16.

The square root of 8010101221 is about 89499.1688285428. The cubic root of 8010101221 is about 2000.8414143779.

Adding to 8010101221 its reverse (1221010108), we get a palindrome (9231111329).

The spelling of 8010101221 in words is "eight billion, ten million, one hundred one thousand, two hundred twenty-one".