11121011010 has 24 divisors (see below), whose sum is σ = 28914628860. Its totient is φ = 2965602912.

The previous prime is 11121010939. The next prime is 11121011107. The reversal of 11121011010 is 1011012111.

It can be written as a sum of positive squares in 2 ways, for example, as 10219390281 + 901620729 = 101091^2 + 30027^2 .

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a junction number, because it is equal to n+sod(n) for n = 11121010983 and 11121011001.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61783305 + ... + 61783484.

Almost surely, 2^11121011010 is an apocalyptic number.

11121011010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121011010 is an abundant number, since it is smaller than the sum of its proper divisors (17793617850).

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

11121011010 is a wasteful number, since it uses less digits than its factorization.

11121011010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123566802 (or 123566799 counting only the distinct ones).

The product of its (nonzero) digits is 2, while the sum is 9.

Adding to 11121011010 its reverse (1011012111), we get a palindrome (12132023121).

It can be divided in two parts, 1112101 and 1010, that added together give a palindrome (1113111).

The spelling of 11121011010 in words is "eleven billion, one hundred twenty-one million, eleven thousand, ten".