1012021022211 has 4 divisors (see below), whose sum is σ = 1349361362952. Its totient is φ = 674680681472.

The previous prime is 1012021022087. The next prime is 1012021022227. The reversal of 1012021022211 is 1122201202101.

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 1012021022211 - 2⁹ = 1012021021699 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1012021022231) 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 3 ways as a sum of consecutive naturals, for example, 168670170366 + ... + 168670170371.

It is an arithmetic number, because the mean of its divisors is an integer number (337340340738).

Almost surely, 2^{1012021022211} is an apocalyptic number.

1012021022211 is a deficient number, since it is larger than the sum of its proper divisors (337340340741).

1012021022211 is an equidigital number, since it uses as much as digits as its factorization.

1012021022211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337340340740.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 1012021022211 its reverse (1122201202101), we get a palindrome (2134222224312).

The spelling of 1012021022211 in words is "one trillion, twelve billion, twenty-one million, twenty-two thousand, two hundred eleven".