1021022110011 has 4 divisors (see below), whose sum is σ = 1361362813352. Its totient is φ = 680681406672.

The previous prime is 1021022110001. The next prime is 1021022110033. The reversal of 1021022110011 is 1100112201201.

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

It is not a de Polignac number, because 1021022110011 - 2⁵ = 1021022109979 is a prime.

It is a super-2 number, since 2×1021022110011² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1021022110001) 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, 170170351666 + ... + 170170351671.

It is an arithmetic number, because the mean of its divisors is an integer number (340340703338).

Almost surely, 2^{1021022110011} is an apocalyptic number.

1021022110011 is a deficient number, since it is larger than the sum of its proper divisors (340340703341).

1021022110011 is an equidigital number, since it uses as much as digits as its factorization.

1021022110011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340340703340.

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

Adding to 1021022110011 its reverse (1100112201201), we get a palindrome (2121134311212).

The spelling of 1021022110011 in words is "one trillion, twenty-one billion, twenty-two million, one hundred ten thousand, eleven".