11121122022210 has 64 divisors (see below), whose sum is σ = 29665236268800. Its totient is φ = 2964741451776.

The previous prime is 11121122022203. The next prime is 11121122022217. The reversal of 11121122022210 is 1222022112111.

11121122022210 is a `hidden beast` number, since 1 + 1 + 1 + 211 + 220 + 22 + 210 = 666.

It is an interprime number because it is at equal distance from previous prime (11121122022203) and next prime (11121122022217).

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

It is not an unprimeable number, because it can be changed into a prime (11121122022217) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 5287614 + ... + 7085273.

It is an arithmetic number, because the mean of its divisors is an integer number (463519316700).

Almost surely, 2^{11121122022210} is an apocalyptic number.

11121122022210 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11121122022210 is an abundant number, since it is smaller than the sum of its proper divisors (18544114246590).

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

11121122022210 is a wasteful number, since it uses less digits than its factorization.

11121122022210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12376232 (or 12376226 counting only the distinct ones).

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

Adding to 11121122022210 its reverse (1222022112111), we get a palindrome (12343144134321).

The spelling of 11121122022210 in words is "eleven trillion, one hundred twenty-one billion, one hundred twenty-two million, twenty-two thousand, two hundred ten".