1110221101020 has 48 divisors (see below), whose sum is σ = 3108665941920. Its totient is φ = 296054497536.

The previous prime is 1110221101007. The next prime is 1110221101043. The reversal of 1110221101020 is 201011220111.

It is a super-2 number, since 2×1110221101020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 1110221100987 and 1110221101005.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6437434 + ... + 6607646.

It is an arithmetic number, because the mean of its divisors is an integer number (64763873790).

Almost surely, 2^{1110221101020} is an apocalyptic number.

1110221101020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1110221101020 is an abundant number, since it is smaller than the sum of its proper divisors (1998444840900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1110221101020 is a wasteful number, since it uses less digits than its factorization.

1110221101020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278934 (or 278932 counting only the distinct ones).

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

Adding to 1110221101020 its reverse (201011220111), we get a palindrome (1311232321131).

The spelling of 1110221101020 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, one hundred one thousand, twenty".