11221012210122 has 48 divisors (see below), whose sum is σ = 28562576541408. Its totient is φ = 3138744673440.

The previous prime is 11221012210099. The next prime is 11221012210181. The reversal of 11221012210122 is 22101221012211.

11221012210122 is a `hidden beast` number, since 112 + 210 + 1 + 221 + 0 + 122 = 666.

It is a super-2 number, since 2×11221012210122² (a number of 27 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11221012210095 and 11221012210104.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2179681228 + ... + 2179686375.

It is an arithmetic number, because the mean of its divisors is an integer number (595053677946).

Almost surely, 2^{11221012210122} is an apocalyptic number.

11221012210122 is an abundant number, since it is smaller than the sum of its proper divisors (17341564331286).

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

11221012210122 is a wasteful number, since it uses less digits than its factorization.

11221012210122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4359367635 (or 4359367632 counting only the distinct ones).

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

Adding to 11221012210122 its reverse (22101221012211), we get a palindrome (33322233222333).

It can be divided in two parts, 11 and 221012210122, that multiplied together give a palindrome (2431134311342).

The spelling of 11221012210122 in words is "eleven trillion, two hundred twenty-one billion, twelve million, two hundred ten thousand, one hundred twenty-two".