11403101220 has 192 divisors, whose sum is σ = 39579757056. Its totient is φ = 2393210880.

The previous prime is 11403101219. The next prime is 11403101221. The reversal of 11403101220 is 2210130411.

It is an interprime number because it is at equal distance from previous prime (11403101219) and next prime (11403101221).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 11403101220.

It is not an unprimeable number, because it can be changed into a prime (11403101221) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 273264 + ... + 312216.

It is an arithmetic number, because the mean of its divisors is an integer number (206144568).

Almost surely, 2^11403101220 is an apocalyptic number.

11403101220 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 11403101220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19789878528).

11403101220 is an abundant number, since it is smaller than the sum of its proper divisors (28176655836).

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

11403101220 is a wasteful number, since it uses less digits than its factorization.

11403101220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39030 (or 39028 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 15.

Adding to 11403101220 its reverse (2210130411), we get a palindrome (13613231631).

The spelling of 11403101220 in words is "eleven billion, four hundred three million, one hundred one thousand, two hundred twenty".