1011123030211 has 8 divisors (see below), whose sum is σ = 1167010457184. Its totient is φ = 858095923200.

The previous prime is 1011123030193. The next prime is 1011123030227. The reversal of 1011123030211 is 1120303211101.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 1011123030211 - 2¹¹ = 1011123028163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1011123030271) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 715079230 + ... + 715080643.

It is an arithmetic number, because the mean of its divisors is an integer number (145876307148).

Almost surely, 2^{1011123030211} is an apocalyptic number.

1011123030211 is a deficient number, since it is larger than the sum of its proper divisors (155887426973).

1011123030211 is a wasteful number, since it uses less digits than its factorization.

1011123030211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1430159981.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 1011123030211 its reverse (1120303211101), we get a palindrome (2131426241312).

The spelling of 1011123030211 in words is "one trillion, eleven billion, one hundred twenty-three million, thirty thousand, two hundred eleven".