10001000021122 has 16 divisors (see below), whose sum is σ = 16365383566272. Its totient is φ = 4545878321520.

The previous prime is 10001000021081. The next prime is 10001000021123. The reversal of 10001000021122 is 22112000010001.

It is a super-2 number, since 2×10001000021122² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10001000021099 and 10001000021108.

It is not an unprimeable number, because it can be changed into a prime (10001000021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1961083 + ... + 4883425.

It is an arithmetic number, because the mean of its divisors is an integer number (1022836472892).

Almost surely, 2^{10001000021122} is an apocalyptic number.

10001000021122 is a deficient number, since it is larger than the sum of its proper divisors (6364383545150).

10001000021122 is a wasteful number, since it uses less digits than its factorization.

10001000021122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077913.

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 10001000021122 its reverse (22112000010001), we get a palindrome (32113000031123).

The spelling of 10001000021122 in words is "ten trillion, one billion, twenty-one thousand, one hundred twenty-two".