10021122021122 has 16 divisors (see below), whose sum is σ = 15447611758200. Its totient is φ = 4872087698688.

The previous prime is 10021122021077. The next prime is 10021122021137. The reversal of 10021122021122 is 22112022112001.

It can be written as a sum of positive squares in 4 ways, for example, as 9584664919921 + 436457101201 = 3095911^2 + 660649^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 10021122021122.

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, 42280247 + ... + 42516602.

Almost surely, 2^{10021122021122} is an apocalyptic number.

10021122021122 is a deficient number, since it is larger than the sum of its proper divisors (5426489737078).

10021122021122 is a wasteful number, since it uses less digits than its factorization.

10021122021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84798485.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 10021122021122 its reverse (22112022112001), we get a palindrome (32133144133123).

The spelling of 10021122021122 in words is "ten trillion, twenty-one billion, one hundred twenty-two million, twenty-one thousand, one hundred twenty-two".