2123201122 has 16 divisors (see below), whose sum is σ = 3652920000. Its totient is φ = 906656688.

The previous prime is 2123201071. The next prime is 2123201137. The reversal of 2123201122 is 2211023212.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 2123201096 and 2123201105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 269872 + ... + 277627.

It is an arithmetic number, because the mean of its divisors is an integer number (228307500).

Almost surely, 2^2123201122 is an apocalyptic number.

2123201122 is a deficient number, since it is larger than the sum of its proper divisors (1529718878).

2123201122 is a wasteful number, since it uses less digits than its factorization.

2123201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 547785.

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

The square root of 2123201122 is about 46078.2065840241. The cubic root of 2123201122 is about 1285.2779147262.

Adding to 2123201122 its reverse (2211023212), we get a palindrome (4334224334).

The spelling of 2123201122 in words is "two billion, one hundred twenty-three million, two hundred one thousand, one hundred twenty-two".