2020220122121 has 8 divisors (see below), whose sum is σ = 2054564253600. Its totient is φ = 1985879427840.

The previous prime is 2020220122103. The next prime is 2020220122153. The reversal of 2020220122121 is 1212210220202.

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 2020220122121 - 2¹⁴ = 2020220105737 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 2020220122121.

It is not an unprimeable number, because it can be changed into a prime (2020220122421) 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, 340310 + ... + 2038688.

It is an arithmetic number, because the mean of its divisors is an integer number (256820531700).

Almost surely, 2^{2020220122121} is an apocalyptic number.

It is an amenable number.

2020220122121 is a deficient number, since it is larger than the sum of its proper divisors (34344131479).

2020220122121 is a wasteful number, since it uses less digits than its factorization.

2020220122121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718599.

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

Adding to 2020220122121 its reverse (1212210220202), we get a palindrome (3232430342323).

The spelling of 2020220122121 in words is "two trillion, twenty billion, two hundred twenty million, one hundred twenty-two thousand, one hundred twenty-one".