101210220329 has 2 divisors, whose sum is σ = 101210220330. Its totient is φ = 101210220328.

The previous prime is 101210220299. The next prime is 101210220373. The reversal of 101210220329 is 923022012101.

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., 74550841600 + 26659378729 = 273040^2 + 163277^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-101210220329 is a prime.

It is not a weakly prime, because it can be changed into another prime (101210220379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50605110164 + 50605110165.

It is an arithmetic number, because the mean of its divisors is an integer number (50605110165).

Almost surely, 2^101210220329 is an apocalyptic number.

It is an amenable number.

101210220329 is a deficient number, since it is larger than the sum of its proper divisors (1).

101210220329 is an equidigital number, since it uses as much as digits as its factorization.

101210220329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 23.

The spelling of 101210220329 in words is "one hundred one billion, two hundred ten million, two hundred twenty thousand, three hundred twenty-nine".