102201321029 has 2 divisors, whose sum is σ = 102201321030. Its totient is φ = 102201321028.

The previous prime is 102201320993. The next prime is 102201321037. The reversal of 102201321029 is 920123102201.

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., 102081528004 + 119793025 = 319502^2 + 10945^2 .

It is an emirp because it is prime and its reverse (920123102201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102201321029 - 2³² = 97906353733 is a prime.

It is a super-2 number, since 2×102201321029² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102201320995 and 102201321013.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102201321049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51100660514 + 51100660515.

It is an arithmetic number, because the mean of its divisors is an integer number (51100660515).

Almost surely, 2^102201321029 is an apocalyptic number.

It is an amenable number.

102201321029 is a deficient number, since it is larger than the sum of its proper divisors (1).

102201321029 is an equidigital number, since it uses as much as digits as its factorization.

102201321029 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 102201321029 in words is "one hundred two billion, two hundred one million, three hundred twenty-one thousand, twenty-nine".