1021000122006 has 8 divisors (see below), whose sum is σ = 2042000244024. Its totient is φ = 340333374000.

The previous prime is 1021000122001. The next prime is 1021000122031. The reversal of 1021000122006 is 6002210001201.

It is a sphenic number, since it is the product of 3 distinct primes.

1021000122006 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1021000122001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85083343495 + ... + 85083343506.

It is an arithmetic number, because the mean of its divisors is an integer number (255250030503).

Almost surely, 2^{1021000122006} is an apocalyptic number.

1021000122006 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1021000122006 is a wasteful number, since it uses less digits than its factorization.

1021000122006 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170166687006.

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

Adding to 1021000122006 its reverse (6002210001201), we get a palindrome (7023210123207).

The spelling of 1021000122006 in words is "one trillion, twenty-one billion, one hundred twenty-two thousand, six".