20022112202121 has 24 divisors (see below), whose sum is σ = 30468075193920. Its totient is φ = 12635119401696.

The previous prime is 20022112202101. The next prime is 20022112202143. The reversal of 20022112202121 is 12120221122002.

It is a happy number.

20022112202121 is a `hidden beast` number, since 20 + 0 + 2 + 211 + 220 + 212 + 1 = 666.

It is not a de Polignac number, because 20022112202121 - 2²³ = 20022103813513 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022112202094 and 20022112202103.

It is not an unprimeable number, because it can be changed into a prime (20022112202101) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 48056541 + ... + 48471386.

It is an arithmetic number, because the mean of its divisors is an integer number (1269503133080).

Almost surely, 2^{20022112202121} is an apocalyptic number.

It is an amenable number.

20022112202121 is a deficient number, since it is larger than the sum of its proper divisors (10445962991799).

20022112202121 is a wasteful number, since it uses less digits than its factorization.

20022112202121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96529165 (or 96529162 counting only the distinct ones).

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

Adding to 20022112202121 its reverse (12120221122002), we get a palindrome (32142333324123).

The spelling of 20022112202121 in words is "twenty trillion, twenty-two billion, one hundred twelve million, two hundred two thousand, one hundred twenty-one".