2123220035 has 8 divisors (see below), whose sum is σ = 2555903376. Its totient is φ = 1693216480.

The previous prime is 2123220031. The next prime is 2123220041. The reversal of 2123220035 is 5300223212.

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

It is not a de Polignac number, because 2123220035 - 2² = 2123220031 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2123219989 and 2123220016.

It is not an unprimeable number, because it can be changed into a prime (2123220031) 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, 668201 + ... + 671370.

It is an arithmetic number, because the mean of its divisors is an integer number (319487922).

Almost surely, 2^2123220035 is an apocalyptic number.

2123220035 is a deficient number, since it is larger than the sum of its proper divisors (432683341).

2123220035 is a wasteful number, since it uses less digits than its factorization.

2123220035 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339893.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 2123220035 is about 46078.4118107384. The cubic root of 2123220035 is about 1285.2817310375.

Adding to 2123220035 its reverse (5300223212), we get a palindrome (7423443247).

The spelling of 2123220035 in words is "two billion, one hundred twenty-three million, two hundred twenty thousand, thirty-five".