1002201111211 has 12 divisors (see below), whose sum is σ = 1053725582448. Its totient is φ = 953085865424.

The previous prime is 1002201111209. The next prime is 1002201111281. The reversal of 1002201111211 is 1121111022001.

It is a happy number.

It is not a de Polignac number, because 1002201111211 - 2¹ = 1002201111209 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1002201111191 and 1002201111200.

It is not an unprimeable number, because it can be changed into a prime (1002201111281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5383975 + ... + 5567008.

It is an arithmetic number, because the mean of its divisors is an integer number (87810465204).

Almost surely, 2^{1002201111211} is an apocalyptic number.

1002201111211 is a deficient number, since it is larger than the sum of its proper divisors (51524471237).

1002201111211 is a wasteful number, since it uses less digits than its factorization.

1002201111211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10951202 (or 10951179 counting only the distinct ones).

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

Adding to 1002201111211 its reverse (1121111022001), we get a palindrome (2123312133212).

The spelling of 1002201111211 in words is "one trillion, two billion, two hundred one million, one hundred eleven thousand, two hundred eleven".