10021200222222 has 80 divisors (see below), whose sum is σ = 25692633774720. Its totient is φ = 2859866607312.

The previous prime is 10021200222211. The next prime is 10021200222227. The reversal of 10021200222222 is 22222200212001.

10021200222222 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 200 + 222 + 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 = 10021200222195 and 10021200222204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021200222227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 4169688 + ... + 6117899.

It is an arithmetic number, because the mean of its divisors is an integer number (321157922184).

Almost surely, 2^{10021200222222} is an apocalyptic number.

10021200222222 is an abundant number, since it is smaller than the sum of its proper divisors (15671433552498).

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

10021200222222 is a wasteful number, since it uses less digits than its factorization.

10021200222222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10288467 (or 10288458 counting only the distinct ones).

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

Adding to 10021200222222 its reverse (22222200212001), we get a palindrome (32243400434223).

The spelling of 10021200222222 in words is "ten trillion, twenty-one billion, two hundred million, two hundred twenty-two thousand, two hundred twenty-two".