1021122002011 has 4 divisors (see below), whose sum is σ = 1037861707024. Its totient is φ = 1004382297000.

The previous prime is 1021122001987. The next prime is 1021122002093. The reversal of 1021122002011 is 1102002211201.

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 1021122002011 - 2⁵ = 1021122001979 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1021122001982 and 1021122002000.

It is not an unprimeable number, because it can be changed into a prime (1021122002311) 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, 8369852415 + ... + 8369852536.

It is an arithmetic number, because the mean of its divisors is an integer number (259465426756).

Almost surely, 2^{1021122002011} is an apocalyptic number.

1021122002011 is a deficient number, since it is larger than the sum of its proper divisors (16739705013).

1021122002011 is an equidigital number, since it uses as much as digits as its factorization.

1021122002011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16739705012.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1021122002011 its reverse (1102002211201), we get a palindrome (2123124213212).

The spelling of 1021122002011 in words is "one trillion, twenty-one billion, one hundred twenty-two million, two thousand, eleven".