2020112220121 has 4 divisors (see below), whose sum is σ = 2022245391312. Its totient is φ = 2017979048932.

The previous prime is 2020112220097. The next prime is 2020112220131. The reversal of 2020112220121 is 1210222110202.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2020112220121 - 2¹¹ = 2020112218073 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020112220095 and 2020112220104.

It is not an unprimeable number, because it can be changed into a prime (2020112220131) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1066584175 + ... + 1066586068.

It is an arithmetic number, because the mean of its divisors is an integer number (505561347828).

Almost surely, 2^{2020112220121} is an apocalyptic number.

It is an amenable number.

2020112220121 is a deficient number, since it is larger than the sum of its proper divisors (2133171191).

2020112220121 is an equidigital number, since it uses as much as digits as its factorization.

2020112220121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2133171190.

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

Adding to 2020112220121 its reverse (1210222110202), we get a palindrome (3230334330323).

The spelling of 2020112220121 in words is "two trillion, twenty billion, one hundred twelve million, two hundred twenty thousand, one hundred twenty-one".