2030111221 has 4 divisors (see below), whose sum is σ = 2136959200. Its totient is φ = 1923263244.

The previous prime is 2030111207. The next prime is 2030111233. The reversal of 2030111221 is 1221110302.

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 not a de Polignac number, because 2030111221 - 2¹¹ = 2030109173 is a prime.

It is a super-2 number, since 2×2030111221² = 8242703139260221682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2030115221) 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, 53423961 + ... + 53423998.

It is an arithmetic number, because the mean of its divisors is an integer number (534239800).

Almost surely, 2^2030111221 is an apocalyptic number.

It is an amenable number.

2030111221 is a deficient number, since it is larger than the sum of its proper divisors (106847979).

2030111221 is a wasteful number, since it uses less digits than its factorization.

2030111221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106847978.

The product of its (nonzero) digits is 24, while the sum is 13.

The square root of 2030111221 is about 45056.7555534129. The cubic root of 2030111221 is about 1266.2125408611.

Adding to 2030111221 its reverse (1221110302), we get a palindrome (3251221523).

The spelling of 2030111221 in words is "two billion, thirty million, one hundred eleven thousand, two hundred twenty-one".