2101223030 has 8 divisors (see below), whose sum is σ = 3782201472. Its totient is φ = 840489208.

The previous prime is 2101223023. The next prime is 2101223039. The reversal of 2101223030 is 303221012.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2101222996 and 2101223014.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2101223039) 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, 105061142 + ... + 105061161.

It is an arithmetic number, because the mean of its divisors is an integer number (472775184).

Almost surely, 2^2101223030 is an apocalyptic number.

2101223030 is a deficient number, since it is larger than the sum of its proper divisors (1680978442).

2101223030 is a wasteful number, since it uses less digits than its factorization.

2101223030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210122310.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 2101223030 is about 45839.0993585171. The cubic root of 2101223030 is about 1280.8277178110.

Adding to 2101223030 its reverse (303221012), we get a palindrome (2404444042).

The spelling of 2101223030 in words is "two billion, one hundred one million, two hundred twenty-three thousand, thirty".