3502111122121 has 2 divisors, whose sum is σ = 3502111122122. Its totient is φ = 3502111122120.

The previous prime is 3502111122119. The next prime is 3502111122127. The reversal of 3502111122121 is 1212211112053.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2474596417225 + 1027514704896 = 1573085^2 + 1013664^2 .

It is an emirp because it is prime and its reverse (1212211112053) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3502111122121 - 2¹ = 3502111122119 is a prime.

Together with 3502111122119, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 3502111122092 and 3502111122101.

It is not a weakly prime, because it can be changed into another prime (3502111122127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1751055561060 + 1751055561061.

It is an arithmetic number, because the mean of its divisors is an integer number (1751055561061).

Almost surely, 2^{3502111122121} is an apocalyptic number.

It is an amenable number.

3502111122121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3502111122121 is an equidigital number, since it uses as much as digits as its factorization.

3502111122121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 240, while the sum is 22.

Adding to 3502111122121 its reverse (1212211112053), we get a palindrome (4714322234174).

The spelling of 3502111122121 in words is "three trillion, five hundred two billion, one hundred eleven million, one hundred twenty-two thousand, one hundred twenty-one".