1001120211202 has 4 divisors (see below), whose sum is σ = 1501680316806. Its totient is φ = 500560105600.

The previous prime is 1001120211187. The next prime is 1001120211233. The reversal of 1001120211202 is 2021120211001.

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

It can be written as a sum of positive squares in only one way, i.e., 998238776161 + 2881435041 = 999119^2 + 53679^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 250280052799 + ... + 250280052802.

Almost surely, 2^{1001120211202} is an apocalyptic number.

1001120211202 is a deficient number, since it is larger than the sum of its proper divisors (500560105604).

1001120211202 is an equidigital number, since it uses as much as digits as its factorization.

1001120211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 500560105603.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1001120211202 its reverse (2021120211001), we get a palindrome (3022240422203).

The spelling of 1001120211202 in words is "one trillion, one billion, one hundred twenty million, two hundred eleven thousand, two hundred two".