1021120222211 has 16 divisors (see below), whose sum is σ = 1052257651200. Its totient is φ = 990482814048.

The previous prime is 1021120222189. The next prime is 1021120222247. The reversal of 1021120222211 is 1122220211201.

It is a cyclic number.

It is not a de Polignac number, because 1021120222211 - 2¹⁴ = 1021120205827 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1021120222211.

It is not an unprimeable number, because it can be changed into a prime (1021120222511) 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, 1470740 + ... + 2050686.

It is an arithmetic number, because the mean of its divisors is an integer number (65766103200).

Almost surely, 2^{1021120222211} is an apocalyptic number.

1021120222211 is a deficient number, since it is larger than the sum of its proper divisors (31137428989).

1021120222211 is a wasteful number, since it uses less digits than its factorization.

1021120222211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580378.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 1021120222211 its reverse (1122220211201), we get a palindrome (2143340433412).

The spelling of 1021120222211 in words is "one trillion, twenty-one billion, one hundred twenty million, two hundred twenty-two thousand, two hundred eleven".