10220220100221 has 16 divisors (see below), whose sum is σ = 14089786014528. Its totient is φ = 6585173340800.

The previous prime is 10220220100219. The next prime is 10220220100231. The reversal of 10220220100221 is 12200102202201.

It is a cyclic number.

It is not a de Polignac number, because 10220220100221 - 2¹ = 10220220100219 is a prime.

It is a super-2 number, since 2×10220220100221² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10220220100221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220220100231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 388263570 + ... + 388289891.

It is an arithmetic number, because the mean of its divisors is an integer number (880611625908).

Almost surely, 2^{10220220100221} is an apocalyptic number.

It is an amenable number.

10220220100221 is a deficient number, since it is larger than the sum of its proper divisors (3869565914307).

10220220100221 is a wasteful number, since it uses less digits than its factorization.

10220220100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776553612.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 10220220100221 its reverse (12200102202201), we get a palindrome (22420322302422).

The spelling of 10220220100221 in words is "ten trillion, two hundred twenty billion, two hundred twenty million, one hundred thousand, two hundred twenty-one".