2020211222121 has 48 divisors (see below), whose sum is σ = 3080151524736. Its totient is φ = 1273421495808.

The previous prime is 2020211222087. The next prime is 2020211222123. The reversal of 2020211222121 is 1212221120202.

It is a happy number.

It is not a de Polignac number, because 2020211222121 - 2¹⁹ = 2020210697833 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2020211222094 and 2020211222103.

It is not an unprimeable number, because it can be changed into a prime (2020211222123) 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, 8609070 + ... + 8840616.

It is an arithmetic number, because the mean of its divisors is an integer number (64169823432).

Almost surely, 2^{2020211222121} is an apocalyptic number.

It is an amenable number.

2020211222121 is a deficient number, since it is larger than the sum of its proper divisors (1059940302615).

2020211222121 is a wasteful number, since it uses less digits than its factorization.

2020211222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232062 (or 232059 counting only the distinct ones).

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

Adding to 2020211222121 its reverse (1212221120202), we get a palindrome (3232432342323).

The spelling of 2020211222121 in words is "two trillion, twenty billion, two hundred eleven million, two hundred twenty-two thousand, one hundred twenty-one".