11021212122 has 16 divisors (see below), whose sum is σ = 22044787392. Its totient is φ = 3673343520.

The previous prime is 11021212117. The next prime is 11021212127. The reversal of 11021212122 is 22121212011.

11021212122 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11021212117) and next prime (11021212127).

It is not an unprimeable number, because it can be changed into a prime (11021212127) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34654 + ... + 152457.

It is an arithmetic number, because the mean of its divisors is an integer number (1377799212).

Almost surely, 2^11021212122 is an apocalyptic number.

11021212122 is an abundant number, since it is smaller than the sum of its proper divisors (11023575270).

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

11021212122 is a wasteful number, since it uses less digits than its factorization.

11021212122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196933.

The product of its (nonzero) digits is 32, while the sum is 15.

Adding to 11021212122 its reverse (22121212011), we get a palindrome (33142424133).

The spelling of 11021212122 in words is "eleven billion, twenty-one million, two hundred twelve thousand, one hundred twenty-two".