101122201 has 4 divisors (see below), whose sum is σ = 102780004. Its totient is φ = 99464400.

The previous prime is 101122187. The next prime is 101122289. The reversal of 101122201 is 102221101.

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 16040025 + 85082176 = 4005^2 + 9224^2 .

It is a cyclic number.

It is not a de Polignac number, because 101122201 - 2⁹ = 101121689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (101122501) 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, 828810 + ... + 828931.

It is an arithmetic number, because the mean of its divisors is an integer number (25695001).

Almost surely, 2^101122201 is an apocalyptic number.

It is an amenable number.

101122201 is a deficient number, since it is larger than the sum of its proper divisors (1657803).

101122201 is an equidigital number, since it uses as much as digits as its factorization.

101122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1657802.

The product of its (nonzero) digits is 8, while the sum is 10.

The square root of 101122201 is about 10055.9535102346. The cubic root of 101122201 is about 465.8886939673. Note that the first 3 decimals are identical.

Adding to 101122201 its reverse (102221101), we get a palindrome (203343302).

It can be divided in two parts, 10 and 1122201, that added together give a palindrome (1122211).

The spelling of 101122201 in words is "one hundred one million, one hundred twenty-two thousand, two hundred one".