21122010111122 has 8 divisors (see below), whose sum is σ = 31721325949296. Its totient is φ = 10548234794692.

The previous prime is 21122010111101. The next prime is 21122010111131. The reversal of 21122010111122 is 22111101022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×21122010111122² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 21122010111122.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6385128368 + ... + 6385131675.

It is an arithmetic number, because the mean of its divisors is an integer number (3965165743662).

Almost surely, 2^{21122010111122} is an apocalyptic number.

21122010111122 is a deficient number, since it is larger than the sum of its proper divisors (10599315838174).

21122010111122 is a wasteful number, since it uses less digits than its factorization.

21122010111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12770260872.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 21122010111122 its reverse (22111101022112), we get a palindrome (43233111133234).

The spelling of 21122010111122 in words is "twenty-one trillion, one hundred twenty-two billion, ten million, one hundred eleven thousand, one hundred twenty-two".