10220202202221 has 24 divisors (see below), whose sum is σ = 16137630035904. Its totient is φ = 6181343098560.

The previous prime is 10220202202213. The next prime is 10220202202307. The reversal of 10220202202221 is 12220220202201.

10220202202221 is a `hidden beast` number, since 1 + 0 + 220 + 2 + 0 + 220 + 2 + 221 = 666.

It is not a de Polignac number, because 10220202202221 - 2³ = 10220202202213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10220202202194 and 10220202202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10220202202211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 105941896 + ... + 106038321.

It is an arithmetic number, because the mean of its divisors is an integer number (672401251496).

Almost surely, 2^{10220202202221} is an apocalyptic number.

10220202202221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10220202202221 is a deficient number, since it is larger than the sum of its proper divisors (5917427833683).

10220202202221 is a wasteful number, since it uses less digits than its factorization.

10220202202221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211980721 (or 211980718 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 10220202202221 its reverse (12220220202201), we get a palindrome (22440422404422).

The spelling of 10220202202221 in words is "ten trillion, two hundred twenty billion, two hundred two million, two hundred two thousand, two hundred twenty-one".