11012202120 has 64 divisors (see below), whose sum is σ = 33130321920. Its totient is φ = 2928257024.

The previous prime is 11012202107. The next prime is 11012202121. The reversal of 11012202120 is 2120221011.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a junction number, because it is equal to n+sod(n) for n = 11012202096 and 11012202105.

It is not an unprimeable number, because it can be changed into a prime (11012202121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87624 + ... + 172343.

It is an arithmetic number, because the mean of its divisors is an integer number (517661280).

Almost surely, 2^11012202120 is an apocalyptic number.

11012202120 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11012202120 is an abundant number, since it is smaller than the sum of its proper divisors (22118119800).

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

11012202120 is a wasteful number, since it uses less digits than its factorization.

11012202120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 260334 (or 260330 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 12.

Adding to 11012202120 its reverse (2120221011), we get a palindrome (13132423131).

The spelling of 11012202120 in words is "eleven billion, twelve million, two hundred two thousand, one hundred twenty".