121202210201 has 2 divisors, whose sum is σ = 121202210202. Its totient is φ = 121202210200.

The previous prime is 121202210159. The next prime is 121202210221. The reversal of 121202210201 is 102012202121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 112158010000 + 9044200201 = 334900^2 + 95101^2 .

It is a cyclic number.

It is not a de Polignac number, because 121202210201 - 2²⁶ = 121135101337 is a prime.

It is not a weakly prime, because it can be changed into another prime (121202210221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60601105100 + 60601105101.

It is an arithmetic number, because the mean of its divisors is an integer number (60601105101).

Almost surely, 2^121202210201 is an apocalyptic number.

It is an amenable number.

121202210201 is a deficient number, since it is larger than the sum of its proper divisors (1).

121202210201 is an equidigital number, since it uses as much as digits as its factorization.

121202210201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 121202210201 its reverse (102012202121), we get a palindrome (223214412322).

The spelling of 121202210201 in words is "one hundred twenty-one billion, two hundred two million, two hundred ten thousand, two hundred one".