121101010001129 has 2 divisors, whose sum is σ = 121101010001130. Its totient is φ = 121101010001128.

The previous prime is 121101010001099. The next prime is 121101010001141. The reversal of 121101010001129 is 921100010101121.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 83814391200400 + 37286618800729 = 9155020^2 + 6106277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-121101010001129 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 121101010001129.

It is not a weakly prime, because it can be changed into another prime (121101010001929) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60550505000564 + 60550505000565.

It is an arithmetic number, because the mean of its divisors is an integer number (60550505000565).

Almost surely, 2^{121101010001129} is an apocalyptic number.

It is an amenable number.

121101010001129 is a deficient number, since it is larger than the sum of its proper divisors (1).

121101010001129 is an equidigital number, since it uses as much as digits as its factorization.

121101010001129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 20.

The spelling of 121101010001129 in words is "one hundred twenty-one trillion, one hundred one billion, ten million, one thousand, one hundred twenty-nine".