100021301121029 has 2 divisors, whose sum is σ = 100021301121030. Its totient is φ = 100021301121028.

The previous prime is 100021301120971. The next prime is 100021301121031. The reversal of 100021301121029 is 920121103120001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 93258711273025 + 6762589848004 = 9657055^2 + 2600498^2 .

It is a cyclic number.

It is not a de Polignac number, because 100021301121029 - 2⁸ = 100021301120773 is a prime.

Together with 100021301121031, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 100021301120995 and 100021301121013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (100021301121089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50010650560514 + 50010650560515.

It is an arithmetic number, because the mean of its divisors is an integer number (50010650560515).

Almost surely, 2^{100021301121029} is an apocalyptic number.

It is an amenable number.

100021301121029 is a deficient number, since it is larger than the sum of its proper divisors (1).

100021301121029 is an equidigital number, since it uses as much as digits as its factorization.

100021301121029 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216, while the sum is 23.

The spelling of 100021301121029 in words is "one hundred trillion, twenty-one billion, three hundred one million, one hundred twenty-one thousand, twenty-nine".