2020022121121 has 8 divisors (see below), whose sum is σ = 2040648638400. Its totient is φ = 1999407884400.

The previous prime is 2020022121107. The next prime is 2020022121163. The reversal of 2020022121121 is 1211212200202.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2020022121121 - 2³⁹ = 1470266307233 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2020022121095 and 2020022121104.

It is not an unprimeable number, because it can be changed into a prime (2020028121121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2739301 + ... + 3397618.

It is an arithmetic number, because the mean of its divisors is an integer number (255081079800).

Almost surely, 2^{2020022121121} is an apocalyptic number.

It is an amenable number.

2020022121121 is a deficient number, since it is larger than the sum of its proper divisors (20626517279).

2020022121121 is a wasteful number, since it uses less digits than its factorization.

2020022121121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6140279.

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

Adding to 2020022121121 its reverse (1211212200202), we get a palindrome (3231234321323).

The spelling of 2020022121121 in words is "two trillion, twenty billion, twenty-two million, one hundred twenty-one thousand, one hundred twenty-one".