10021100021122 has 8 divisors (see below), whose sum is σ = 15107952824316. Its totient is φ = 4985115746352.

The previous prime is 10021100021111. The next prime is 10021100021197. The reversal of 10021100021122 is 22112000112001.

It can be written as a sum of positive squares in 2 ways, for example, as 6502403100361 + 3518696920761 = 2549981^2 + 1875819^2 .

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

It is a super-2 number, since 2×10021100021122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12717131613 + ... + 12717132400.

Almost surely, 2^{10021100021122} is an apocalyptic number.

10021100021122 is a deficient number, since it is larger than the sum of its proper divisors (5086852803194).

10021100021122 is a wasteful number, since it uses less digits than its factorization.

10021100021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25434264212.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 10021100021122 its reverse (22112000112001), we get a palindrome (32133100133123).

The spelling of 10021100021122 in words is "ten trillion, twenty-one billion, one hundred million, twenty-one thousand, one hundred twenty-two".