101021002221 has 8 divisors (see below), whose sum is σ = 134696200320. Its totient is φ = 67346569472.

The previous prime is 101021002211. The next prime is 101021002223. The reversal of 101021002221 is 122200120101.

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 101021002221 - 2⁹ = 101021001709 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 101021002197 and 101021002206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (101021002223) 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, 288700 + ... + 534218.

It is an arithmetic number, because the mean of its divisors is an integer number (16837025040).

Almost surely, 2^101021002221 is an apocalyptic number.

It is an amenable number.

101021002221 is a deficient number, since it is larger than the sum of its proper divisors (33675198099).

101021002221 is a wasteful number, since it uses less digits than its factorization.

101021002221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382675.

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

Adding to 101021002221 its reverse (122200120101), we get a palindrome (223221122322).

The spelling of 101021002221 in words is "one hundred one billion, twenty-one million, two thousand, two hundred twenty-one".