2030100221 has 4 divisors (see below), whose sum is σ = 2118365472. Its totient is φ = 1941834972.

The previous prime is 2030100173. The next prime is 2030100269. The reversal of 2030100221 is 1220010302.

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 an interprime number because it is at equal distance from previous prime (2030100173) and next prime (2030100269).

It is a cyclic number.

It is not a de Polignac number, because 2030100221 - 2²⁶ = 1962991357 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 (2030103221) 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, 44132591 + ... + 44132636.

It is an arithmetic number, because the mean of its divisors is an integer number (529591368).

Almost surely, 2^2030100221 is an apocalyptic number.

It is an amenable number.

2030100221 is a deficient number, since it is larger than the sum of its proper divisors (88265251).

2030100221 is an equidigital number, since it uses as much as digits as its factorization.

2030100221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88265250.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 2030100221 is about 45056.6334849820. The cubic root of 2030100221 is about 1266.2102538988.

Adding to 2030100221 its reverse (1220010302), we get a palindrome (3250110523).

The spelling of 2030100221 in words is "two billion, thirty million, one hundred thousand, two hundred twenty-one".