21122124201122 has 32 divisors (see below), whose sum is σ = 36225503145984. Its totient is φ = 9048302802000.

The previous prime is 21122124201019. The next prime is 21122124201133. The reversal of 21122124201122 is 22110242122112.

It is a happy number.

It is a super-2 number, since 2×21122124201122² (a number of 27 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480430313 + ... + 480474275.

It is an arithmetic number, because the mean of its divisors is an integer number (1132046973312).

Almost surely, 2^{21122124201122} is an apocalyptic number.

21122124201122 is a deficient number, since it is larger than the sum of its proper divisors (15103378944862).

21122124201122 is a wasteful number, since it uses less digits than its factorization.

21122124201122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58494.

The product of its (nonzero) digits is 512, while the sum is 23.

Adding to 21122124201122 its reverse (22110242122112), we get a palindrome (43232366323234).

The spelling of 21122124201122 in words is "twenty-one trillion, one hundred twenty-two billion, one hundred twenty-four million, two hundred one thousand, one hundred twenty-two".