11112121010 has 16 divisors (see below), whose sum is σ = 20196012096. Its totient is φ = 4401694128.

The previous prime is 11112121003. The next prime is 11112121019. The reversal of 11112121010 is 1012121111.

It is a super-3 number, since 3×11112121010³ (a number of 31 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11112120982 and 11112121000.

It is not an unprimeable number, because it can be changed into a prime (11112121019) 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, 5393204 + ... + 5395263.

It is an arithmetic number, because the mean of its divisors is an integer number (1262250756).

Almost surely, 2^11112121010 is an apocalyptic number.

11112121010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11112121010 is a deficient number, since it is larger than the sum of its proper divisors (9083891086).

11112121010 is a wasteful number, since it uses less digits than its factorization.

11112121010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10788577.

The product of its (nonzero) digits is 4, while the sum is 11.

Adding to 11112121010 its reverse (1012121111), we get a palindrome (12124242121).

The spelling of 11112121010 in words is "eleven billion, one hundred twelve million, one hundred twenty-one thousand, ten".