2021103122 has 16 divisors (see below), whose sum is σ = 3063975552. Its totient is φ = 999793200.

The previous prime is 2021103107. The next prime is 2021103137. The reversal of 2021103122 is 2213011202.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2021103107) and next prime (2021103137).

It is a junction number, because it is equal to n+sod(n) for n = 2021103097 and 2021103106.

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, 345143 + ... + 350949.

It is an arithmetic number, because the mean of its divisors is an integer number (191498472).

Almost surely, 2^2021103122 is an apocalyptic number.

2021103122 is a deficient number, since it is larger than the sum of its proper divisors (1042872430).

2021103122 is a wasteful number, since it uses less digits than its factorization.

2021103122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7633.

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

The square root of 2021103122 is about 44956.6805046814. The cubic root of 2021103122 is about 1264.3369325747.

Adding to 2021103122 its reverse (2213011202), we get a palindrome (4234114324).

The spelling of 2021103122 in words is "two billion, twenty-one million, one hundred three thousand, one hundred twenty-two".