101201969129 has 2 divisors, whose sum is σ = 101201969130. Its totient is φ = 101201969128.

The previous prime is 101201968991. The next prime is 101201969131. The reversal of 101201969129 is 921969102101.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 65566723600 + 35635245529 = 256060^2 + 188773^2 .

It is a cyclic number.

It is not a de Polignac number, because 101201969129 - 2²⁰ = 101200920553 is a prime.

Together with 101201969131, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (101201968129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50600984564 + 50600984565.

It is an arithmetic number, because the mean of its divisors is an integer number (50600984565).

Almost surely, 2^101201969129 is an apocalyptic number.

It is an amenable number.

101201969129 is a deficient number, since it is larger than the sum of its proper divisors (1).

101201969129 is an equidigital number, since it uses as much as digits as its factorization.

101201969129 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 17496, while the sum is 41.

The spelling of 101201969129 in words is "one hundred one billion, two hundred one million, nine hundred sixty-nine thousand, one hundred twenty-nine".