2103021122 has 4 divisors (see below), whose sum is σ = 3154531686. Its totient is φ = 1051510560.

The previous prime is 2103021113. The next prime is 2103021127. The reversal of 2103021122 is 2211203012.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1947545161 + 155475961 = 44131^2 + 12469^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2103021097 and 2103021106.

It is not an unprimeable number, because it can be changed into a prime (2103021127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 525755279 + ... + 525755282.

Almost surely, 2^2103021122 is an apocalyptic number.

2103021122 is a deficient number, since it is larger than the sum of its proper divisors (1051510564).

2103021122 is a wasteful number, since it uses less digits than its factorization.

2103021122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1051510563.

The product of its (nonzero) digits is 48, while the sum is 14.

The square root of 2103021122 is about 45858.7082460900. The cubic root of 2103021122 is about 1281.1929637366.

Adding to 2103021122 its reverse (2211203012), we get a palindrome (4314224134).

The spelling of 2103021122 in words is "two billion, one hundred three million, twenty-one thousand, one hundred twenty-two".