11120021210 has 16 divisors (see below), whose sum is σ = 20043136800. Its totient is φ = 4441986576.

The previous prime is 11120021201. The next prime is 11120021219. The reversal of 11120021210 is 1212002111.

It is an interprime number because it is at equal distance from previous prime (11120021201) and next prime (11120021219).

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11120021191 and 11120021200.

It is not an unprimeable number, because it can be changed into a prime (11120021219) 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, 744980 + ... + 759759.

It is an arithmetic number, because the mean of its divisors is an integer number (1252696050).

Almost surely, 2^11120021210 is an apocalyptic number.

11120021210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11120021210 is a deficient number, since it is larger than the sum of its proper divisors (8923115590).

11120021210 is a wasteful number, since it uses less digits than its factorization.

11120021210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1505485.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 11120021210 its reverse (1212002111), we get a palindrome (12332023321).

The spelling of 11120021210 in words is "eleven billion, one hundred twenty million, twenty-one thousand, two hundred ten".