1011002211203 has 4 divisors (see below), whose sum is σ = 1011121624680. Its totient is φ = 1010882797728.

The previous prime is 1011002211187. The next prime is 1011002211221. The reversal of 1011002211203 is 3021122001101.

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

It is a cyclic number.

It is not a de Polignac number, because 1011002211203 - 2⁴ = 1011002211187 is a prime.

It is a super-3 number, since 3×1011002211203³ (a number of 37 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011002211283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 59694038 + ... + 59710971.

It is an arithmetic number, because the mean of its divisors is an integer number (252780406170).

Almost surely, 2^{1011002211203} is an apocalyptic number.

1011002211203 is a deficient number, since it is larger than the sum of its proper divisors (119413477).

1011002211203 is an equidigital number, since it uses as much as digits as its factorization.

1011002211203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119413476.

The product of its (nonzero) digits is 24, while the sum is 14.

Adding to 1011002211203 its reverse (3021122001101), we get a palindrome (4032124212304).

The spelling of 1011002211203 in words is "one trillion, eleven billion, two million, two hundred eleven thousand, two hundred three".