1101220230 has 128 divisors (see below), whose sum is σ = 2975616000. Its totient is φ = 258508800.

The previous prime is 1101220193. The next prime is 1101220247. The reversal of 1101220230 is 320221011.

It is a super-2 number, since 2×1101220230² = 2425371989922505800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2692266 + ... + 2692674.

It is an arithmetic number, because the mean of its divisors is an integer number (23247000).

Almost surely, 2^1101220230 is an apocalyptic number.

1101220230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1101220230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1487808000).

1101220230 is an abundant number, since it is smaller than the sum of its proper divisors (1874395770).

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

1101220230 is a wasteful number, since it uses less digits than its factorization.

1101220230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 1101220230 is about 33184.6384642051. The cubic root of 1101220230 is about 1032.6616771797.

Adding to 1101220230 its reverse (320221011), we get a palindrome (1421441241).

The spelling of 1101220230 in words is "one billion, one hundred one million, two hundred twenty thousand, two hundred thirty".