10021222222000 has 320 divisors, whose sum is σ = 27856719341568. Its totient is φ = 3451113600000.

The previous prime is 10021222221953. The next prime is 10021222222031. The reversal of 10021222222000 is 22222212001.

It is a Harshad number since it is a multiple of its sum of digits (16).

It is an unprimeable number.

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 63 ways as a sum of consecutive naturals, for example, 51007957 + ... + 51204043.

Almost surely, 2^{10021222222000} is an apocalyptic number.

10021222222000 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 10021222222000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13928359670784).

10021222222000 is an abundant number, since it is smaller than the sum of its proper divisors (17835497119568).

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

10021222222000 is a wasteful number, since it uses less digits than its factorization.

10021222222000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196245 (or 196229 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 16.

Adding to 10021222222000 its reverse (22222212001), we get a palindrome (10043444434001).

Subtracting from 10021222222000 its reverse (22222212001), we obtain a palindrome (9999000009999).

The spelling of 10021222222000 in words is "ten trillion, twenty-one billion, two hundred twenty-two million, two hundred twenty-two thousand".