11101213210 has 8 divisors (see below), whose sum is σ = 19982183796. Its totient is φ = 4440485280.

The previous prime is 11101213187. The next prime is 11101213217. The reversal of 11101213210 is 1231210111.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10997926641 + 103286569 = 104871^2 + 10163^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11101213217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 555060651 + ... + 555060670.

Almost surely, 2^11101213210 is an apocalyptic number.

11101213210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11101213210 is a deficient number, since it is larger than the sum of its proper divisors (8880970586).

11101213210 is a wasteful number, since it uses less digits than its factorization.

11101213210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1110121328.

The product of its (nonzero) digits is 12, while the sum is 13.

Adding to 11101213210 its reverse (1231210111), we get a palindrome (12332423321).

The spelling of 11101213210 in words is "eleven billion, one hundred one million, two hundred thirteen thousand, two hundred ten".