1011002221011 has 8 divisors (see below), whose sum is σ = 1427297253264. Its totient is φ = 634354334720.

The previous prime is 1011002221003. The next prime is 1011002221043. The reversal of 1011002221011 is 1101222001101.

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 1011002221011 - 2³ = 1011002221003 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1011002221091) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9911786430 + ... + 9911786531.

It is an arithmetic number, because the mean of its divisors is an integer number (178412156658).

Almost surely, 2^{1011002221011} is an apocalyptic number.

1011002221011 is a deficient number, since it is larger than the sum of its proper divisors (416295032253).

1011002221011 is a wasteful number, since it uses less digits than its factorization.

1011002221011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19823572981.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1011002221011 its reverse (1101222001101), we get a palindrome (2112224222112).

The spelling of 1011002221011 in words is "one trillion, eleven billion, two million, two hundred twenty-one thousand, eleven".