11201111101210 has 16 divisors (see below), whose sum is σ = 20297315421000. Its totient is φ = 4450374342976.

The previous prime is 11201111101183. The next prime is 11201111101259. The reversal of 11201111101210 is 1210111110211.

It can be written as a sum of positive squares in 4 ways, for example, as 9549626521009 + 1651484580201 = 3090247^2 + 1285101^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3758760625 + ... + 3758763604.

Almost surely, 2^{11201111101210} is an apocalyptic number.

11201111101210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11201111101210 is a deficient number, since it is larger than the sum of its proper divisors (9096204319790).

11201111101210 is a wasteful number, since it uses less digits than its factorization.

11201111101210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7517524385.

The product of its (nonzero) digits is 4, while the sum is 13.

Adding to 11201111101210 its reverse (1210111110211), we get a palindrome (12411222211421).

Subtracting from 11201111101210 its reverse (1210111110211), we obtain a palindrome (9990999990999).

The spelling of 11201111101210 in words is "eleven trillion, two hundred one billion, one hundred eleven million, one hundred one thousand, two hundred ten".