1000120221006 has 64 divisors (see below), whose sum is σ = 2048348528640. Its totient is φ = 325468281600.

The previous prime is 1000120220909. The next prime is 1000120221019. The reversal of 1000120221006 is 6001220210001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 19768515 + ... + 19819041.

It is an arithmetic number, because the mean of its divisors is an integer number (32005445760).

Almost surely, 2^{1000120221006} is an apocalyptic number.

1000120221006 is an abundant number, since it is smaller than the sum of its proper divisors (1048228307634).

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

1000120221006 is a wasteful number, since it uses less digits than its factorization.

1000120221006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51089.

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 1000120221006 its reverse (6001220210001), we get a palindrome (7001340431007).

The spelling of 1000120221006 in words is "one trillion, one hundred twenty million, two hundred twenty-one thousand, six".