10220001122221 has 8 divisors (see below), whose sum is σ = 11156927071104. Its totient is φ = 9284380996320.

The previous prime is 10220001122161. The next prime is 10220001122249. The reversal of 10220001122221 is 12222110002201.

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 not a de Polignac number, because 10220001122221 - 2¹⁵ = 10220001089453 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10220001122195 and 10220001122204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220001128221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 326439376 + ... + 326470681.

It is an arithmetic number, because the mean of its divisors is an integer number (1394615883888).

Almost surely, 2^{10220001122221} is an apocalyptic number.

10220001122221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220001122221 is a deficient number, since it is larger than the sum of its proper divisors (936925948883).

10220001122221 is a wasteful number, since it uses less digits than its factorization.

10220001122221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 652911491.

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

Adding to 10220001122221 its reverse (12222110002201), we get a palindrome (22442111124422).

The spelling of 10220001122221 in words is "ten trillion, two hundred twenty billion, one million, one hundred twenty-two thousand, two hundred twenty-one".