20022110222121 has 72 divisors (see below), whose sum is σ = 33682755506400. Its totient is φ = 11427556218624.

The previous prime is 20022110222113. The next prime is 20022110222141. The reversal of 20022110222121 is 12122201122002.

It is a happy number.

20022110222121 is a `hidden beast` number, since 200 + 221 + 1 + 0 + 2 + 221 + 21 = 666.

It is not a de Polignac number, because 20022110222121 - 2³ = 20022110222113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022110222094 and 20022110222103.

It is not an unprimeable number, because it can be changed into a prime (20022110222141) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1466921905 + ... + 1466935553.

It is an arithmetic number, because the mean of its divisors is an integer number (467816048700).

Almost surely, 2^{20022110222121} is an apocalyptic number.

20022110222121 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

20022110222121 is a deficient number, since it is larger than the sum of its proper divisors (13660645284279).

20022110222121 is a wasteful number, since it uses less digits than its factorization.

20022110222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17395 (or 17385 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 20022110222121 its reverse (12122201122002), we get a palindrome (32144311344123).

The spelling of 20022110222121 in words is "twenty trillion, twenty-two billion, one hundred ten million, two hundred twenty-two thousand, one hundred twenty-one".