1012021202011 has 16 divisors (see below), whose sum is σ = 1034853775200. Its totient is φ = 989387942400.

The previous prime is 1012021201993. The next prime is 1012021202063. The reversal of 1012021202011 is 1102021202101.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1012021202011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1012021201982 and 1012021202000.

It is not an unprimeable number, because it can be changed into a prime (1012021209011) 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 15 ways as a sum of consecutive naturals, for example, 11860681 + ... + 11945701.

It is an arithmetic number, because the mean of its divisors is an integer number (64678360950).

Almost surely, 2^{1012021202011} is an apocalyptic number.

1012021202011 is a deficient number, since it is larger than the sum of its proper divisors (22832573189).

1012021202011 is an equidigital number, since it uses as much as digits as its factorization.

1012021202011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86190.

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

Adding to 1012021202011 its reverse (1102021202101), we get a palindrome (2114042404112).

The spelling of 1012021202011 in words is "one trillion, twelve billion, twenty-one million, two hundred two thousand, eleven".