11401234220 has 24 divisors (see below), whose sum is σ = 23982588000. Its totient is φ = 4552875392.

The previous prime is 11401234217. The next prime is 11401234223. The reversal of 11401234220 is 2243210411.

It is an interprime number because it is at equal distance from previous prime (11401234217) and next prime (11401234223).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11401234192 and 11401234201.

It is not an unprimeable number, because it can be changed into a prime (11401234223) 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, 463865 + ... + 487824.

It is an arithmetic number, because the mean of its divisors is an integer number (999274500).

Almost surely, 2^11401234220 is an apocalyptic number.

11401234220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11401234220 is an abundant number, since it is smaller than the sum of its proper divisors (12581353780).

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

11401234220 is a wasteful number, since it uses less digits than its factorization.

11401234220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 952297 (or 952295 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 11401234220 its reverse (2243210411), we get a palindrome (13644444631).

The spelling of 11401234220 in words is "eleven billion, four hundred one million, two hundred thirty-four thousand, two hundred twenty".