10021202220222 has 64 divisors (see below), whose sum is σ = 22707864855360. Its totient is φ = 3274723700352.

The previous prime is 10021202220209. The next prime is 10021202220223. The reversal of 10021202220222 is 22202220212001.

10021202220222 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 202 + 220 + 222 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 10021202220195 and 10021202220204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021202220223) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2124988 + ... + 4955600.

It is an arithmetic number, because the mean of its divisors is an integer number (354810388365).

Almost surely, 2^{10021202220222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021202220222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11353932427680).

10021202220222 is an abundant number, since it is smaller than the sum of its proper divisors (12686662635138).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10021202220222 is a wasteful number, since it uses less digits than its factorization.

10021202220222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831914 (or 2831908 counting only the distinct ones).

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

Adding to 10021202220222 its reverse (22202220212001), we get a palindrome (32223422432223).

The spelling of 10021202220222 in words is "ten trillion, twenty-one billion, two hundred two million, two hundred twenty thousand, two hundred twenty-two".