1000221120010 has 16 divisors (see below), whose sum is σ = 2057597732736. Its totient is φ = 342932955408.

The previous prime is 1000221119999. The next prime is 1000221120023. The reversal of 1000221120010 is 100211220001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7144436502 + ... + 7144436641.

It is an arithmetic number, because the mean of its divisors is an integer number (128599858296).

Almost surely, 2^{1000221120010} is an apocalyptic number.

1000221120010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1000221120010 is an abundant number, since it is smaller than the sum of its proper divisors (1057376612726).

1000221120010 is a wasteful number, since it uses less digits than its factorization.

1000221120010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14288873157.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000221120010 its reverse (100211220001), we get a palindrome (1100432340011).

Subtracting from 1000221120010 its reverse (100211220001), we obtain a palindrome (900009900009).

The spelling of 1000221120010 in words is "one trillion, two hundred twenty-one million, one hundred twenty thousand, ten".