10021222222200 has 768 divisors, whose sum is σ = 40509407232000. Its totient is φ = 2229244416000.

The previous prime is 10021222222147. The next prime is 10021222222201. The reversal of 10021222222200 is 222222212001.

10021222222200 is a `hidden beast` number, since 1 + 0 + 0 + 21 + 222 + 222 + 200 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10021222222201) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 652458121 + ... + 652473479.

It is an arithmetic number, because the mean of its divisors is an integer number (52746624000).

Almost surely, 2^{10021222222200} is an apocalyptic number.

10021222222200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 10021222222200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20254703616000).

10021222222200 is an abundant number, since it is smaller than the sum of its proper divisors (30488185009800).

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

10021222222200 is a wasteful number, since it uses less digits than its factorization.

10021222222200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15853 (or 15838 counting only the distinct ones).

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

Adding to 10021222222200 its reverse (222222212001), we get a palindrome (10243444434201).

The spelling of 10021222222200 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand, two hundred".