2030220121 has 4 divisors (see below), whose sum is σ = 2149644852. Its totient is φ = 1910795392.

The previous prime is 2030220109. The next prime is 2030220133. The reversal of 2030220121 is 1210220302.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2030220109) and next prime (2030220133).

It can be written as a sum of positive squares in 2 ways, for example, as 602211600 + 1428008521 = 24540^2 + 37789^2 .

It is a cyclic number.

It is not a de Polignac number, because 2030220121 - 2⁷ = 2030219993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2030220161) 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, 59712340 + ... + 59712373.

It is an arithmetic number, because the mean of its divisors is an integer number (537411213).

Almost surely, 2^2030220121 is an apocalyptic number.

It is an amenable number.

2030220121 is a deficient number, since it is larger than the sum of its proper divisors (119424731).

2030220121 is a wasteful number, since it uses less digits than its factorization.

2030220121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119424730.

The product of its (nonzero) digits is 48, while the sum is 13.

The square root of 2030220121 is about 45057.9640130355. The cubic root of 2030220121 is about 1266.2351813415.

Adding to 2030220121 its reverse (1210220302), we get a palindrome (3240440423).

The spelling of 2030220121 in words is "two billion, thirty million, two hundred twenty thousand, one hundred twenty-one".