2020101122021 has 2 divisors, whose sum is σ = 2020101122022. Its totient is φ = 2020101122020.

The previous prime is 2020101122003. The next prime is 2020101122033. The reversal of 2020101122021 is 1202211010202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1939086885121 + 81014236900 = 1392511^2 + 284630^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2020101122021 is a prime.

It is a super-2 number, since 2×2020101122021² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2020101121987 and 2020101122005.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2020101122521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1010050561010 + 1010050561011.

It is an arithmetic number, because the mean of its divisors is an integer number (1010050561011).

Almost surely, 2^{2020101122021} is an apocalyptic number.

It is an amenable number.

2020101122021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2020101122021 is an equidigital number, since it uses as much as digits as its factorization.

2020101122021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 2020101122021 its reverse (1202211010202), we get a palindrome (3222312132223).

The spelling of 2020101122021 in words is "two trillion, twenty billion, one hundred one million, one hundred twenty-two thousand, twenty-one".