1000110012220 has 24 divisors (see below), whose sum is σ = 2291161119408. Its totient is φ = 363676368000.

The previous prime is 1000110012191. The next prime is 1000110012227. The reversal of 1000110012220 is 222100110001.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a junction number, because it is equal to n+sod(n) for n = 1000110012197 and 1000110012206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1000110012227) 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, 2272977081 + ... + 2272977520.

It is an arithmetic number, because the mean of its divisors is an integer number (95465046642).

Almost surely, 2^{1000110012220} is an apocalyptic number.

1000110012220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1000110012220 is an abundant number, since it is smaller than the sum of its proper divisors (1291051107188).

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

1000110012220 is a wasteful number, since it uses less digits than its factorization.

1000110012220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4545954621 (or 4545954619 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 10.

Adding to 1000110012220 its reverse (222100110001), we get a palindrome (1222210122221).

The spelling of 1000110012220 in words is "one trillion, one hundred ten million, twelve thousand, two hundred twenty".