10021002021122 has 8 divisors (see below), whose sum is σ = 15398125056972. Its totient is φ = 4888293668800.

The previous prime is 10021002021061. The next prime is 10021002021197. The reversal of 10021002021122 is 22112020012001.

It can be written as a sum of positive squares in 2 ways, for example, as 9730587733321 + 290414287801 = 3119389^2 + 538901^2 .

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 = 10021002021097 and 10021002021106.

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, 61103670779 + ... + 61103670942.

Almost surely, 2^{10021002021122} is an apocalyptic number.

10021002021122 is a deficient number, since it is larger than the sum of its proper divisors (5377123035850).

10021002021122 is a wasteful number, since it uses less digits than its factorization.

10021002021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 122207341764.

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

Adding to 10021002021122 its reverse (22112020012001), we get a palindrome (32133022033123).

The spelling of 10021002021122 in words is "ten trillion, twenty-one billion, two million, twenty-one thousand, one hundred twenty-two".