1020221111110 has 16 divisors (see below), whose sum is σ = 1839922765632. Its totient is φ = 407305163200.

The previous prime is 1020221111083. The next prime is 1020221111111. The reversal of 1020221111110 is 111111220201.

It is a happy number.

It is a super-3 number, since 3×1020221111110³ (a number of 37 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1020221111111) 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 7 ways as a sum of consecutive naturals, for example, 97904686 + ... + 97915105.

It is an arithmetic number, because the mean of its divisors is an integer number (114995172852).

Almost surely, 2^{1020221111110} is an apocalyptic number.

1020221111110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1020221111110 is a deficient number, since it is larger than the sum of its proper divisors (819701654522).

1020221111110 is a wasteful number, since it uses less digits than its factorization.

1020221111110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195820319.

The product of its (nonzero) digits is 8, while the sum is 13.

Adding to 1020221111110 its reverse (111111220201), we get a palindrome (1131332331311).

The spelling of 1020221111110 in words is "one trillion, twenty billion, two hundred twenty-one million, one hundred eleven thousand, one hundred ten".