20022222011121 has 48 divisors (see below), whose sum is σ = 32580556369920. Its totient is φ = 11738680668000.

The previous prime is 20022222011041. The next prime is 20022222011179. The reversal of 20022222011121 is 12111022222002.

It is a happy number.

20022222011121 is a `hidden beast` number, since 200 + 222 + 220 + 1 + 1 + 1 + 21 = 666.

It is not a de Polignac number, because 20022222011121 - 2¹⁰ = 20022222010097 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 20022222011094 and 20022222011103.

It is not an unprimeable number, because it can be changed into a prime (20022222011521) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6650116 + ... + 9179786.

It is an arithmetic number, because the mean of its divisors is an integer number (678761591040).

Almost surely, 2^{20022222011121} is an apocalyptic number.

It is an amenable number.

20022222011121 is a deficient number, since it is larger than the sum of its proper divisors (12558334358799).

20022222011121 is a wasteful number, since it uses less digits than its factorization.

20022222011121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2532298 (or 2532295 counting only the distinct ones).

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

Adding to 20022222011121 its reverse (12111022222002), we get a palindrome (32133244233123).

The spelling of 20022222011121 in words is "twenty trillion, twenty-two billion, two hundred twenty-two million, eleven thousand, one hundred twenty-one".