11123213211210 has 64 divisors (see below), whose sum is σ = 27094943044224. Its totient is φ = 2921833728000.

The previous prime is 11123213211179. The next prime is 11123213211247. The reversal of 11123213211210 is 1211231232111.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 100044450 + ... + 100155570.

It is an arithmetic number, because the mean of its divisors is an integer number (423358485066).

Almost surely, 2^{11123213211210} is an apocalyptic number.

11123213211210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11123213211210 is an abundant number, since it is smaller than the sum of its proper divisors (15971729833014).

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

11123213211210 is a wasteful number, since it uses less digits than its factorization.

11123213211210 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 160999.

The product of its (nonzero) digits is 144, while the sum is 21.

Adding to 11123213211210 its reverse (1211231232111), we get a palindrome (12334444443321).

The spelling of 11123213211210 in words is "eleven trillion, one hundred twenty-three billion, two hundred thirteen million, two hundred eleven thousand, two hundred ten".