1101244344420 has 192 divisors, whose sum is σ = 3513273523200. Its totient is φ = 255350039040.

The previous prime is 1101244344371. The next prime is 1101244344443. The reversal of 1101244344420 is 244434421011.

It is a happy number.

It is a super-2 number, since 2×1101244344420² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1058611 + ... + 1822949.

It is an arithmetic number, because the mean of its divisors is an integer number (18298299600).

Almost surely, 2^{1101244344420} is an apocalyptic number.

1101244344420 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 1101244344420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1756636761600).

1101244344420 is an abundant number, since it is smaller than the sum of its proper divisors (2412029178780).

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

1101244344420 is a wasteful number, since it uses less digits than its factorization.

1101244344420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 764458 (or 764456 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 30.

Adding to 1101244344420 its reverse (244434421011), we get a palindrome (1345678765431).

It can be divided in two parts, 110124 and 4344420, that added together give a palindrome (4454544).

The spelling of 1101244344420 in words is "one trillion, one hundred one billion, two hundred forty-four million, three hundred forty-four thousand, four hundred twenty".