120221002129 has 2 divisors, whose sum is σ = 120221002130. Its totient is φ = 120221002128.

The previous prime is 120221002091. The next prime is 120221002183. The reversal of 120221002129 is 921200122021.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 113888025729 + 6332976400 = 337473^2 + 79580^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-120221002129 is a prime.

It is not a weakly prime, because it can be changed into another prime (120221002189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 60110501064 + 60110501065.

It is an arithmetic number, because the mean of its divisors is an integer number (60110501065).

Almost surely, 2^120221002129 is an apocalyptic number.

It is an amenable number.

120221002129 is a deficient number, since it is larger than the sum of its proper divisors (1).

120221002129 is an equidigital number, since it uses as much as digits as its factorization.

120221002129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 288, while the sum is 22.

The spelling of 120221002129 in words is "one hundred twenty billion, two hundred twenty-one million, two thousand, one hundred twenty-nine".