1020221011211 has 8 divisors (see below), whose sum is σ = 1022515612560. Its totient is φ = 1017926880768.

The previous prime is 1020221011163. The next prime is 1020221011241. The reversal of 1020221011211 is 1121101220201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1020221011211 - 2³⁴ = 1003041142027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1020221011241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4415855 + ... + 4641143.

It is an arithmetic number, because the mean of its divisors is an integer number (127814451570).

Almost surely, 2^{1020221011211} is an apocalyptic number.

1020221011211 is a deficient number, since it is larger than the sum of its proper divisors (2294601349).

1020221011211 is an equidigital number, since it uses as much as digits as its factorization.

1020221011211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235453.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 1020221011211 its reverse (1121101220201), we get a palindrome (2141322231412).

The spelling of 1020221011211 in words is "one trillion, twenty billion, two hundred twenty-one million, eleven thousand, two hundred eleven".