1000222100010 has 192 divisors, whose sum is σ = 3123404773632. Its totient is φ = 217269900288.

The previous prime is 1000222099997. The next prime is 1000222100029. The reversal of 1000222100010 is 100012220001.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1000222099965 and 1000222100001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 503382 + ... + 1501278.

It is an arithmetic number, because the mean of its divisors is an integer number (16267733196).

Almost surely, 2^{1000222100010} is an apocalyptic number.

1000222100010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000222100010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1561702386816).

1000222100010 is an abundant number, since it is smaller than the sum of its proper divisors (2123182673622).

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

1000222100010 is a wasteful number, since it uses less digits than its factorization.

1000222100010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997997 (or 997994 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 9.

Adding to 1000222100010 its reverse (100012220001), we get a palindrome (1100234320011).

The spelling of 1000222100010 in words is "one trillion, two hundred twenty-two million, one hundred thousand, ten".