11331220121210 has 16 divisors (see below), whose sum is σ = 22250395874592. Its totient is φ = 4120443680400.

The previous prime is 11331220121203. The next prime is 11331220121213. The reversal of 11331220121210 is 1212102213311.

It is not an unprimeable number, because it can be changed into a prime (11331220121213) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51505545896 + ... + 51505546115.

It is an arithmetic number, because the mean of its divisors is an integer number (1390649742162).

Almost surely, 2^{11331220121210} is an apocalyptic number.

11331220121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11331220121210 is a deficient number, since it is larger than the sum of its proper divisors (10919175753382).

11331220121210 is a wasteful number, since it uses less digits than its factorization.

11331220121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103011092029.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11331220121210 its reverse (1212102213311), we get a palindrome (12543322334521).

The spelling of 11331220121210 in words is "eleven trillion, three hundred thirty-one billion, two hundred twenty million, one hundred twenty-one thousand, two hundred ten".