3516010020121 has 2 divisors, whose sum is σ = 3516010020122. Its totient is φ = 3516010020120.

The previous prime is 3516010020113. The next prime is 3516010020143. The reversal of 3516010020121 is 1210200106153.

It is a happy number.

It is an a-pointer prime, because the next prime (3516010020143) can be obtained adding 3516010020121 to its sum of digits (22).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1784733011721 + 1731277008400 = 1335939^2 + 1315780^2 .

It is a cyclic number.

It is not a de Polignac number, because 3516010020121 - 2³ = 3516010020113 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3516010020092 and 3516010020101.

It is not a weakly prime, because it can be changed into another prime (3516010020181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1758005010060 + 1758005010061.

It is an arithmetic number, because the mean of its divisors is an integer number (1758005010061).

Almost surely, 2^{3516010020121} is an apocalyptic number.

It is an amenable number.

3516010020121 is a deficient number, since it is larger than the sum of its proper divisors (1).

3516010020121 is an equidigital number, since it uses as much as digits as its factorization.

3516010020121 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 360, while the sum is 22.

Adding to 3516010020121 its reverse (1210200106153), we get a palindrome (4726210126274).

The spelling of 3516010020121 in words is "three trillion, five hundred sixteen billion, ten million, twenty thousand, one hundred twenty-one".