1110221210020 has 96 divisors (see below), whose sum is σ = 2604961852416. Its totient is φ = 394690060800.

The previous prime is 1110221209967. The next prime is 1110221210023. The reversal of 1110221210020 is 200121220111.

It is a super-2 number, since 2×1110221210020² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (13).

It is not an unprimeable number, because it can be changed into a prime (1110221210023) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1238215 + ... + 1937425.

It is an arithmetic number, because the mean of its divisors is an integer number (27135019296).

Almost surely, 2^{1110221210020} is an apocalyptic number.

1110221210020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1110221210020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1302480926208).

1110221210020 is an abundant number, since it is smaller than the sum of its proper divisors (1494740642396).

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

1110221210020 is a wasteful number, since it uses less digits than its factorization.

1110221210020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 699461 (or 699459 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 1110221210020 its reverse (200121220111), we get a palindrome (1310342430131).

The spelling of 1110221210020 in words is "one trillion, one hundred ten billion, two hundred twenty-one million, two hundred ten thousand, twenty".