11230202120 has 128 divisors (see below), whose sum is σ = 26150221440. Its totient is φ = 4339046400.

The previous prime is 11230202051. The next prime is 11230202143. The reversal of 11230202120 is 2120203211.

It is a happy number.

It is a super-2 number, since 2×11230202120² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11230202095 and 11230202104.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 35879084 + ... + 35879396.

It is an arithmetic number, because the mean of its divisors is an integer number (204298605).

Almost surely, 2^11230202120 is an apocalyptic number.

11230202120 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 11230202120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13075110720).

11230202120 is an abundant number, since it is smaller than the sum of its proper divisors (14920019320).

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

11230202120 is a wasteful number, since it uses less digits than its factorization.

11230202120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 11230202120 its reverse (2120203211), we get a palindrome (13350405331).

The spelling of 11230202120 in words is "eleven billion, two hundred thirty million, two hundred two thousand, one hundred twenty".