2101201122 has 32 divisors (see below), whose sum is σ = 4512288384. Its totient is φ = 649913600.

The previous prime is 2101201117. The next prime is 2101201147. The reversal of 2101201122 is 2211021012.

It is a junction number, because it is equal to n+sod(n) for n = 2101201098 and 2101201107.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 137829 + ... + 152312.

It is an arithmetic number, because the mean of its divisors is an integer number (141009012).

Almost surely, 2^2101201122 is an apocalyptic number.

2101201122 is an abundant number, since it is smaller than the sum of its proper divisors (2411087262).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2101201122 is a wasteful number, since it uses less digits than its factorization.

2101201122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290234.

The product of its (nonzero) digits is 16, while the sum is 12.

The square root of 2101201122 is about 45838.8603915935. The cubic root of 2101201122 is about 1280.8232663604.

Adding to 2101201122 its reverse (2211021012), we get a palindrome (4312222134).

The spelling of 2101201122 in words is "two billion, one hundred one million, two hundred one thousand, one hundred twenty-two".