10021120020122 has 16 divisors (see below), whose sum is σ = 15239948915880. Its totient is φ = 4941158268672.

The previous prime is 10021120020007. The next prime is 10021120020239. The reversal of 10021120020122 is 22102002112001.

It can be written as a sum of positive squares in 4 ways, for example, as 9627063768001 + 394056252121 = 3102751^2 + 627739^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10021120020097 and 10021120020106.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4356797 + ... + 6246912.

Almost surely, 2^{10021120020122} is an apocalyptic number.

10021120020122 is a deficient number, since it is larger than the sum of its proper divisors (5218828895758).

10021120020122 is a wasteful number, since it uses less digits than its factorization.

10021120020122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10610257.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 10021120020122 its reverse (22102002112001), we get a palindrome (32123122132123).

The spelling of 10021120020122 in words is "ten trillion, twenty-one billion, one hundred twenty million, twenty thousand, one hundred twenty-two".