11101011201212 has 12 divisors (see below), whose sum is σ = 19426800413160. Its totient is φ = 5550496797456.

The previous prime is 11101011201211. The next prime is 11101011201253. The reversal of 11101011201212 is 21210211010111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11101011201211) 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, 1231178 + ... + 4870094.

It is an arithmetic number, because the mean of its divisors is an integer number (1618900034430).

Almost surely, 2^{11101011201212} is an apocalyptic number.

It is an amenable number.

11101011201212 is a deficient number, since it is larger than the sum of its proper divisors (8325789211948).

11101011201212 is a wasteful number, since it uses less digits than its factorization.

11101011201212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401580 (or 4401578 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 14.

Adding to 11101011201212 its reverse (21210211010111), we get a palindrome (32311222211323).

The spelling of 11101011201212 in words is "eleven trillion, one hundred one billion, eleven million, two hundred one thousand, two hundred twelve".