11001122112212 has 6 divisors (see below), whose sum is σ = 19251963696378. Its totient is φ = 5500561056104.

The previous prime is 11001122112209. The next prime is 11001122112223. The reversal of 11001122112212 is 21221122110011.

It can be written as a sum of positive squares in only one way, i.e., 10048304048836 + 952818063376 = 3169906^2 + 976124^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1375140264023 + ... + 1375140264030.

It is an arithmetic number, because the mean of its divisors is an integer number (3208660616063).

Almost surely, 2^{11001122112212} is an apocalyptic number.

It is an amenable number.

11001122112212 is a deficient number, since it is larger than the sum of its proper divisors (8250841584166).

11001122112212 is a wasteful number, since it uses less digits than its factorization.

11001122112212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2750280528057 (or 2750280528055 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 11001122112212 its reverse (21221122110011), we get a palindrome (32222244222223).

The spelling of 11001122112212 in words is "eleven trillion, one billion, one hundred twenty-two million, one hundred twelve thousand, two hundred twelve".