11201121121210 has 16 divisors (see below), whose sum is σ = 21223176861600. Its totient is φ = 4244635372176.

The previous prime is 11201121121199. The next prime is 11201121121213. The reversal of 11201121121210 is 1212112110211.

It is a super-3 number, since 3×11201121121210³ (a number of 40 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11201121121213) 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, 29476634340 + ... + 29476634719.

It is an arithmetic number, because the mean of its divisors is an integer number (1326448553850).

Almost surely, 2^{11201121121210} is an apocalyptic number.

11201121121210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11201121121210 is a deficient number, since it is larger than the sum of its proper divisors (10022055740390).

11201121121210 is a wasteful number, since it uses less digits than its factorization.

11201121121210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58953269085.

The product of its (nonzero) digits is 16, while the sum is 16.

Adding to 11201121121210 its reverse (1212112110211), we get a palindrome (12413233231421).

The spelling of 11201121121210 in words is "eleven trillion, two hundred one billion, one hundred twenty-one million, one hundred twenty-one thousand, two hundred ten".