10111420 has 96 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 3340800.

The previous prime is 10111417. The next prime is 10111429. The reversal of 10111420 is 2411101.

10111420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 = 10111397 and 10111406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10111429) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 171351 + ... + 171409.

It is an arithmetic number, because the mean of its divisors is an integer number (264600).

Almost surely, 2^10111420 is an apocalyptic number.

10111420 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 10111420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

10111420 is an abundant number, since it is smaller than the sum of its proper divisors (15290180).

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

10111420 is a wasteful number, since it uses less digits than its factorization.

10111420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139 (or 137 counting only the distinct ones).

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

The square root of 10111420 is about 3179.8459082163. The cubic root of 10111420 is about 216.2406725236.

Adding to 10111420 its reverse (2411101), we get a palindrome (12522521).

The spelling of 10111420 in words is "ten million, one hundred eleven thousand, four hundred twenty".