11210022121212 has 72 divisors (see below), whose sum is σ = 28419856212384. Its totient is φ = 3725677080576.

The previous prime is 11210022121171. The next prime is 11210022121213. The reversal of 11210022121212 is 21212122001211.

11210022121212 is a `hidden beast` number, since 1 + 1 + 210 + 0 + 221 + 21 + 212 = 666.

11210022121212 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11210022121213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 128345268 + ... + 128432580.

It is an arithmetic number, because the mean of its divisors is an integer number (394720225172).

Almost surely, 2^{11210022121212} is an apocalyptic number.

11210022121212 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11210022121212 is an abundant number, since it is smaller than the sum of its proper divisors (17209834091172).

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

11210022121212 is a wasteful number, since it uses less digits than its factorization.

11210022121212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97779 (or 97774 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 18.

Adding to 11210022121212 its reverse (21212122001211), we get a palindrome (32422144122423).

The spelling of 11210022121212 in words is "eleven trillion, two hundred ten billion, twenty-two million, one hundred twenty-one thousand, two hundred twelve".