20102121021022 has 8 divisors (see below), whose sum is σ = 30171248152200. Its totient is φ = 10045038303624.

The previous prime is 20102121021007. The next prime is 20102121021043. The reversal of 20102121021022 is 22012012120102.

It is a happy number.

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

It is a junction number, because it is equal to n+sod(n) for n = 20102121020987 and 20102121021005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011099272 + ... + 3011105947.

It is an arithmetic number, because the mean of its divisors is an integer number (3771406019025).

Almost surely, 2^{20102121021022} is an apocalyptic number.

20102121021022 is a deficient number, since it is larger than the sum of its proper divisors (10069127131178).

20102121021022 is a wasteful number, since it uses less digits than its factorization.

20102121021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022206890.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20102121021022 its reverse (22012012120102), we get a palindrome (42114133141124).

The spelling of 20102121021022 in words is "twenty trillion, one hundred two billion, one hundred twenty-one million, twenty-one thousand, twenty-two".