1202122201 has 4 divisors (see below), whose sum is σ = 1373853952. Its totient is φ = 1030390452.

The previous prime is 1202122177. The next prime is 1202122217. The reversal of 1202122201 is 1022212021.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1202122201 - 2⁵ = 1202122169 is a prime.

It is a super-2 number, since 2×1202122201² = 2890195572274168802, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1202122231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85865865 + ... + 85865878.

It is an arithmetic number, because the mean of its divisors is an integer number (343463488).

Almost surely, 2^1202122201 is an apocalyptic number.

It is an amenable number.

1202122201 is a deficient number, since it is larger than the sum of its proper divisors (171731751).

1202122201 is an equidigital number, since it uses as much as digits as its factorization.

1202122201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171731750.

The product of its (nonzero) digits is 32, while the sum is 13.

The square root of 1202122201 is about 34671.6339534208. The cubic root of 1202122201 is about 1063.2846377816.

Adding to 1202122201 its reverse (1022212021), we get a palindrome (2224334222).

The spelling of 1202122201 in words is "one billion, two hundred two million, one hundred twenty-two thousand, two hundred one".