1001111211202 has 8 divisors (see below), whose sum is σ = 1501877716812. Its totient is φ = 500485305600.

The previous prime is 1001111211187. The next prime is 1001111211203. The reversal of 1001111211202 is 2021121111001.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 823481836681 + 177629374521 = 907459^2 + 421461^2 .

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

It is not an unprimeable number, because it can be changed into a prime (1001111211203) 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, 35132199 + ... + 35160682.

Almost surely, 2^{1001111211202} is an apocalyptic number.

1001111211202 is a deficient number, since it is larger than the sum of its proper divisors (500766505610).

1001111211202 is an equidigital number, since it uses as much as digits as its factorization.

1001111211202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70300004.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1001111211202 its reverse (2021121111001), we get a palindrome (3022232322203).

The spelling of 1001111211202 in words is "one trillion, one billion, one hundred eleven million, two hundred eleven thousand, two hundred two".