2020102222121 has 8 divisors (see below), whose sum is σ = 2063103291264. Its totient is φ = 1977101993520.

The previous prime is 2020102222111. The next prime is 2020102222123. The reversal of 2020102222121 is 1212222010202.

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 2020102222121 - 2¹⁰ = 2020102221097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2020102222121.

It is not an unprimeable number, because it can be changed into a prime (2020102222123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8148131 + ... + 8392391.

It is an arithmetic number, because the mean of its divisors is an integer number (257887911408).

Almost surely, 2^{2020102222121} is an apocalyptic number.

It is an amenable number.

2020102222121 is a deficient number, since it is larger than the sum of its proper divisors (43001069143).

2020102222121 is a wasteful number, since it uses less digits than its factorization.

2020102222121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420271.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 2020102222121 its reverse (1212222010202), we get a palindrome (3232324232323).

The spelling of 2020102222121 in words is "two trillion, twenty billion, one hundred two million, two hundred twenty-two thousand, one hundred twenty-one".