20022220101121 has 16 divisors (see below), whose sum is σ = 23328252979200. Its totient is φ = 16828004202048.

The previous prime is 20022220101097. The next prime is 20022220101127. The reversal of 20022220101121 is 12110102222002.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 20022220101121 - 2¹⁵ = 20022220068353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20022220101095 and 20022220101104.

It is not an unprimeable number, because it can be changed into a prime (20022220101127) 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 15 ways as a sum of consecutive naturals, for example, 15548641 + ... + 16787038.

It is an arithmetic number, because the mean of its divisors is an integer number (1458015811200).

Almost surely, 2^{20022220101121} is an apocalyptic number.

It is an amenable number.

20022220101121 is a deficient number, since it is larger than the sum of its proper divisors (3306032878079).

20022220101121 is a wasteful number, since it uses less digits than its factorization.

20022220101121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32337408.

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 20022220101121 its reverse (12110102222002), we get a palindrome (32132322323123).

The spelling of 20022220101121 in words is "twenty trillion, twenty-two billion, two hundred twenty million, one hundred one thousand, one hundred twenty-one".