11101331122212 has 24 divisors (see below), whose sum is σ = 26603189897536. Its totient is φ = 3600431715168.

The previous prime is 11101331122171. The next prime is 11101331122237. The reversal of 11101331122212 is 21222113310111.

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, 12501498568 + ... + 12501499455.

Almost surely, 2^{11101331122212} is an apocalyptic number.

11101331122212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11101331122212 is an abundant number, since it is smaller than the sum of its proper divisors (15501858775324).

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

11101331122212 is a wasteful number, since it uses less digits than its factorization.

11101331122212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25002998067 (or 25002998065 counting only the distinct ones).

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

Adding to 11101331122212 its reverse (21222113310111), we get a palindrome (32323444432323).

The spelling of 11101331122212 in words is "eleven trillion, one hundred one billion, three hundred thirty-one million, one hundred twenty-two thousand, two hundred twelve".