1211122201202 has 8 divisors (see below), whose sum is σ = 1816690056300. Its totient is φ = 605558849104.

The previous prime is 1211122201199. The next prime is 1211122201249. The reversal of 1211122201202 is 2021022211121.

It can be written as a sum of positive squares in 2 ways, for example, as 1036733276401 + 174388924801 = 1018201^2 + 417599^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 345077 + ... + 1594152.

Almost surely, 2^{1211122201202} is an apocalyptic number.

1211122201202 is a deficient number, since it is larger than the sum of its proper divisors (605567855098).

1211122201202 is a wasteful number, since it uses less digits than its factorization.

1211122201202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2251500.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1211122201202 its reverse (2021022211121), we get a palindrome (3232144412323).

The spelling of 1211122201202 in words is "one trillion, two hundred eleven billion, one hundred twenty-two million, two hundred one thousand, two hundred two".