102102001022201 has 4 divisors (see below), whose sum is σ = 102102039600804. Its totient is φ = 102101962443600.

The previous prime is 102102001022183. The next prime is 102102001022257. The reversal of 102102001022201 is 102220100201201.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 41218313182201 + 60883687840000 = 6420149^2 + 7802800^2 .

It is a cyclic number.

It is not a de Polignac number, because 102102001022201 - 2³⁸ = 101827123115257 is a prime.

It is a super-2 number, since 2×102102001022201² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (102102001022501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15001730 + ... + 20718491.

It is an arithmetic number, because the mean of its divisors is an integer number (25525509900201).

Almost surely, 2^{102102001022201} is an apocalyptic number.

It is an amenable number.

102102001022201 is a deficient number, since it is larger than the sum of its proper divisors (38578603).

102102001022201 is an equidigital number, since it uses as much as digits as its factorization.

102102001022201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38578602.

The product of its (nonzero) digits is 32, while the sum is 14.

Adding to 102102001022201 its reverse (102220100201201), we get a palindrome (204322101223402).

The spelling of 102102001022201 in words is "one hundred two trillion, one hundred two billion, one million, twenty-two thousand, two hundred one".