10202221020222 has 128 divisors (see below), whose sum is σ = 28276397568000. Its totient is φ = 2648942805600.

The previous prime is 10202221020217. The next prime is 10202221020239. The reversal of 10202221020222 is 22202012220201.

10202221020222 is a `hidden beast` number, since 1 + 0 + 202 + 221 + 0 + 20 + 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 = 10202221020195 and 10202221020204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10767897 + ... + 11676987.

It is an arithmetic number, because the mean of its divisors is an integer number (220909356000).

Almost surely, 2^{10202221020222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10202221020222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14138198784000).

10202221020222 is an abundant number, since it is smaller than the sum of its proper divisors (18074176547778).

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

10202221020222 is a wasteful number, since it uses less digits than its factorization.

10202221020222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911819 (or 911813 counting only the distinct ones).

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

Adding to 10202221020222 its reverse (22202012220201), we get a palindrome (32404233240423).

The spelling of 10202221020222 in words is "ten trillion, two hundred two billion, two hundred twenty-one million, twenty thousand, two hundred twenty-two".