1020221010111 has 16 divisors (see below), whose sum is σ = 1395348192000. Its totient is φ = 662665241280.

The previous prime is 1020221010097. The next prime is 1020221010121. The reversal of 1020221010111 is 1110101220201.

It is not a de Polignac number, because 1020221010111 - 2¹¹ = 1020221008063 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221010121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5490361 + ... + 5673138.

It is an arithmetic number, because the mean of its divisors is an integer number (87209262000).

Almost surely, 2^{1020221010111} is an apocalyptic number.

1020221010111 is a deficient number, since it is larger than the sum of its proper divisors (375127181889).

1020221010111 is a wasteful number, since it uses less digits than its factorization.

1020221010111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164286.

The product of its (nonzero) digits is 8, while the sum is 12.

Adding to 1020221010111 its reverse (1110101220201), we get a palindrome (2130322230312).

The spelling of 1020221010111 in words is "one trillion, twenty billion, two hundred twenty-one million, ten thousand, one hundred eleven".