2111220430 has 16 divisors (see below), whose sum is σ = 4145669424. Its totient is φ = 767716480.

The previous prime is 2111220409. The next prime is 2111220437. The reversal of 2111220430 is 340221112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2111220437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9596347 + ... + 9596566.

It is an arithmetic number, because the mean of its divisors is an integer number (259104339).

Almost surely, 2^2111220430 is an apocalyptic number.

2111220430 is a deficient number, since it is larger than the sum of its proper divisors (2034448994).

2111220430 is a wasteful number, since it uses less digits than its factorization.

2111220430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19192931.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 2111220430 is about 45948.0187820977. The cubic root of 2111220430 is about 1282.8558528785.

Adding to 2111220430 its reverse (340221112), we get a palindrome (2451441542).

The spelling of 2111220430 in words is "two billion, one hundred eleven million, two hundred twenty thousand, four hundred thirty".