11101211010 has 48 divisors (see below), whose sum is σ = 29643242616. Its totient is φ = 2880313344.

The previous prime is 11101210999. The next prime is 11101211041. The reversal of 11101211010 is 1011210111.

It can be written as a sum of positive squares in 4 ways, for example, as 10264323969 + 836887041 = 101313^2 + 28929^2 .

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 = 11101210983 and 11101211001.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1663519 + ... + 1670178.

Almost surely, 2^11101211010 is an apocalyptic number.

11101211010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101211010 is an abundant number, since it is smaller than the sum of its proper divisors (18542031606).

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

11101211010 is a wasteful number, since it uses less digits than its factorization.

11101211010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3333747 (or 3333744 counting only the distinct ones).

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

Adding to 11101211010 its reverse (1011210111), we get a palindrome (12112421121).

It can be divided in two parts, 11101 and 211010, that added together give a triangular number (222111 = T₆₆₆).

The spelling of 11101211010 in words is "eleven billion, one hundred one million, two hundred eleven thousand, ten".