102220221010021 has 8 divisors (see below), whose sum is σ = 102433410324288. Its totient is φ = 102007052028000.

The previous prime is 102220221010009. The next prime is 102220221010027. The reversal of 102220221010021 is 120010122022201.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-102220221010021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102220221009977 and 102220221010004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102220221010027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5003256 + ... + 15148366.

It is an arithmetic number, because the mean of its divisors is an integer number (12804176290536).

Almost surely, 2^{102220221010021} is an apocalyptic number.

It is an amenable number.

102220221010021 is a deficient number, since it is larger than the sum of its proper divisors (213189314267).

102220221010021 is a wasteful number, since it uses less digits than its factorization.

102220221010021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10166123.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 102220221010021 its reverse (120010122022201), we get a palindrome (222230343032222).

The spelling of 102220221010021 in words is "one hundred two trillion, two hundred twenty billion, two hundred twenty-one million, ten thousand, twenty-one".