11022012120212 has 6 divisors (see below), whose sum is σ = 19288521210378. Its totient is φ = 5511006060104.

The previous prime is 11022012120211. The next prime is 11022012120281. The reversal of 11022012120212 is 21202121022011.

It can be written as a sum of positive squares in only one way, i.e., 9178076257156 + 1843935863056 = 3029534^2 + 1357916^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11022012120211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1377751515023 + ... + 1377751515030.

It is an arithmetic number, because the mean of its divisors is an integer number (3214753535063).

Almost surely, 2^{11022012120212} is an apocalyptic number.

It is an amenable number.

11022012120212 is a deficient number, since it is larger than the sum of its proper divisors (8266509090166).

11022012120212 is a wasteful number, since it uses less digits than its factorization.

11022012120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2755503030057 (or 2755503030055 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 11022012120212 its reverse (21202121022011), we get a palindrome (32224133142223).

The spelling of 11022012120212 in words is "eleven trillion, twenty-two billion, twelve million, one hundred twenty thousand, two hundred twelve".