11012121110 has 64 divisors (see below), whose sum is σ = 21424761792. Its totient is φ = 4059734016.

The previous prime is 11012121089. The next prime is 11012121119. The reversal of 11012121110 is 1112121011.

It is a super-2 number, since 2×11012121110² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11012121091 and 11012121100.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11012121119) 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, 7090094 + ... + 7091646.

It is an arithmetic number, because the mean of its divisors is an integer number (334761903).

Almost surely, 2^11012121110 is an apocalyptic number.

11012121110 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11012121110 is a deficient number, since it is larger than the sum of its proper divisors (10412640682).

11012121110 is a wasteful number, since it uses less digits than its factorization.

11012121110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2417.

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

Adding to 11012121110 its reverse (1112121011), we get a palindrome (12124242121).

Subtracting from 11012121110 its reverse (1112121011), we obtain a palindrome (9900000099).

The spelling of 11012121110 in words is "eleven billion, twelve million, one hundred twenty-one thousand, one hundred ten".