1002010022021 has 8 divisors (see below), whose sum is σ = 1017010167840. Its totient is φ = 987011193168.

The previous prime is 1002010022003. The next prime is 1002010022033. The reversal of 1002010022021 is 1202200102001.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1002010022021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002010021993 and 1002010022011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1002010022081) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1260890 + ... + 1895748.

It is an arithmetic number, because the mean of its divisors is an integer number (127126270980).

Almost surely, 2^{1002010022021} is an apocalyptic number.

It is an amenable number.

1002010022021 is a deficient number, since it is larger than the sum of its proper divisors (15000145819).

1002010022021 is an equidigital number, since it uses as much as digits as its factorization.

1002010022021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 658483.

The product of its (nonzero) digits is 16, while the sum is 11.

Adding to 1002010022021 its reverse (1202200102001), we get a palindrome (2204210124022).

The spelling of 1002010022021 in words is "one trillion, two billion, ten million, twenty-two thousand, twenty-one".