2020122101 has 4 divisors (see below), whose sum is σ = 2023450752. Its totient is φ = 2016793452.

The previous prime is 2020122073. The next prime is 2020122103. The reversal of 2020122101 is 1012210202.

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 a de Polignac number, because none of the positive numbers 2^k-2020122101 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2020122103) 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, 1663415 + ... + 1664628.

It is an arithmetic number, because the mean of its divisors is an integer number (505862688).

Almost surely, 2^2020122101 is an apocalyptic number.

It is an amenable number.

2020122101 is a deficient number, since it is larger than the sum of its proper divisors (3328651).

2020122101 is an equidigital number, since it uses as much as digits as its factorization.

2020122101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3328650.

The product of its (nonzero) digits is 16, while the sum is 11.

The square root of 2020122101 is about 44945.7684437590. The cubic root of 2020122101 is about 1264.1323344346.

Adding to 2020122101 its reverse (1012210202), we get a palindrome (3032332303).

The spelling of 2020122101 in words is "two billion, twenty million, one hundred twenty-two thousand, one hundred one".