121022002199953 has 2 divisors, whose sum is σ = 121022002199954. Its totient is φ = 121022002199952.

The previous prime is 121022002199927. The next prime is 121022002200089. The reversal of 121022002199953 is 359991200220121.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95612569436224 + 25409432763729 = 9778168^2 + 5040777^2 .

It is an emirp because it is prime and its reverse (359991200220121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121022002199953 - 2²⁵ = 121021968645521 is a prime.

It is not a weakly prime, because it can be changed into another prime (121022002190953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60511001099976 + 60511001099977.

It is an arithmetic number, because the mean of its divisors is an integer number (60511001099977).

Almost surely, 2^{121022002199953} is an apocalyptic number.

It is an amenable number.

121022002199953 is a deficient number, since it is larger than the sum of its proper divisors (1).

121022002199953 is an equidigital number, since it uses as much as digits as its factorization.

121022002199953 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 174960, while the sum is 46.

The spelling of 121022002199953 in words is "one hundred twenty-one trillion, twenty-two billion, two million, one hundred ninety-nine thousand, nine hundred fifty-three".