10202220202221 has 24 divisors (see below), whose sum is σ = 15221901317376. Its totient is φ = 6577755491520.

The previous prime is 10202220202151. The next prime is 10202220202259. The reversal of 10202220202221 is 12220202220201.

10202220202221 is a `hidden beast` number, since 1 + 0 + 20 + 2 + 220 + 202 + 221 = 666.

10202220202221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 10202220202221 - 2³⁵ = 10167860463853 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10202220202194 and 10202220202203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10202220202921) 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, 11580040 + ... + 12429873.

It is an arithmetic number, because the mean of its divisors is an integer number (634245888224).

Almost surely, 2^{10202220202221} is an apocalyptic number.

It is an amenable number.

10202220202221 is a deficient number, since it is larger than the sum of its proper divisors (5019681115155).

10202220202221 is a wasteful number, since it uses less digits than its factorization.

10202220202221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24011473 (or 24011470 counting only the distinct ones).

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

Adding to 10202220202221 its reverse (12220202220201), we get a palindrome (22422422422422).

The spelling of 10202220202221 in words is "ten trillion, two hundred two billion, two hundred twenty million, two hundred two thousand, two hundred twenty-one".