121101002210129 has 2 divisors, whose sum is σ = 121101002210130. Its totient is φ = 121101002210128.

The previous prime is 121101002210101. The next prime is 121101002210171. The reversal of 121101002210129 is 921012200101121.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 110490686217025 + 10610315993104 = 10511455^2 + 3257348^2 .

It is an emirp because it is prime and its reverse (921012200101121) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 121101002210129 - 2¹² = 121101002206033 is a prime.

It is not a weakly prime, because it can be changed into another prime (121101002210329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550501105064 + 60550501105065.

It is an arithmetic number, because the mean of its divisors is an integer number (60550501105065).

Almost surely, 2^{121101002210129} is an apocalyptic number.

It is an amenable number.

121101002210129 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101002210129 is an equidigital number, since it uses as much as digits as its factorization.

121101002210129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 144, while the sum is 23.

The spelling of 121101002210129 in words is "one hundred twenty-one trillion, one hundred one billion, two million, two hundred ten thousand, one hundred twenty-nine".