10021220121022 has 32 divisors (see below), whose sum is σ = 17021718211680. Its totient is φ = 4383017224320.

The previous prime is 10021220120987. The next prime is 10021220121041. The reversal of 10021220121022 is 22012102212001.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 10021220120987 and 10021220121005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26617233 + ... + 26991100.

It is an arithmetic number, because the mean of its divisors is an integer number (531928694115).

Almost surely, 2^{10021220121022} is an apocalyptic number.

10021220121022 is a deficient number, since it is larger than the sum of its proper divisors (7000498090658).

10021220121022 is a wasteful number, since it uses less digits than its factorization.

10021220121022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53608668.

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

Adding to 10021220121022 its reverse (22012102212001), we get a palindrome (32033322333023).

The spelling of 10021220121022 in words is "ten trillion, twenty-one billion, two hundred twenty million, one hundred twenty-one thousand, twenty-two".