2120211123 has 8 divisors (see below), whose sum is σ = 2828234448. Its totient is φ = 1412830944.

The previous prime is 2120211109. The next prime is 2120211157. The reversal of 2120211123 is 3211120212.

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

It is not a de Polignac number, because 2120211123 - 2⁶ = 2120211059 is a prime.

It is a super-2 number, since 2×2120211123² = 8990590412185842258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2120211623) 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, 153040 + ... + 166317.

It is an arithmetic number, because the mean of its divisors is an integer number (353529306).

Almost surely, 2^2120211123 is an apocalyptic number.

2120211123 is a deficient number, since it is larger than the sum of its proper divisors (708023325).

2120211123 is a wasteful number, since it uses less digits than its factorization.

2120211123 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321573.

The product of its (nonzero) digits is 48, while the sum is 15.

The square root of 2120211123 is about 46045.7503250843. The cubic root of 2120211123 is about 1284.6743002104.

Adding to 2120211123 its reverse (3211120212), we get a palindrome (5331331335).

The spelling of 2120211123 in words is "two billion, one hundred twenty million, two hundred eleven thousand, one hundred twenty-three".