10202202122201 has 4 divisors (see below), whose sum is σ = 10203907896804. Its totient is φ = 10200496347600.

The previous prime is 10202202122179. The next prime is 10202202122257. The reversal of 10202202122201 is 10222120220201.

It is a happy number.

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 2336847255625 + 7865354866576 = 1528675^2 + 2804524^2 .

It is a cyclic number.

It is not a de Polignac number, because 10202202122201 - 2²² = 10202197927897 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 10202202122201.

It is not an unprimeable number, because it can be changed into a prime (10202202122701) 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, 852878330 + ... + 852890291.

It is an arithmetic number, because the mean of its divisors is an integer number (2550976974201).

Almost surely, 2^{10202202122201} is an apocalyptic number.

It is an amenable number.

10202202122201 is a deficient number, since it is larger than the sum of its proper divisors (1705774603).

10202202122201 is an equidigital number, since it uses as much as digits as its factorization.

10202202122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705774602.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 10202202122201 its reverse (10222120220201), we get a palindrome (20424322342402).

The spelling of 10202202122201 in words is "ten trillion, two hundred two billion, two hundred two million, one hundred twenty-two thousand, two hundred one".