21111233000122 has 8 divisors (see below), whose sum is σ = 31720796434656. Its totient is φ = 10537634188572.

The previous prime is 21111233000069. The next prime is 21111233000149. The reversal of 21111233000122 is 22100033211112.

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

It is a self number, because there is not a number n which added to its sum of digits gives 21111233000122.

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, 8991154278 + ... + 8991156625.

It is an arithmetic number, because the mean of its divisors is an integer number (3965099554332).

Almost surely, 2^{21111233000122} is an apocalyptic number.

21111233000122 is a deficient number, since it is larger than the sum of its proper divisors (10609563434534).

21111233000122 is a wasteful number, since it uses less digits than its factorization.

21111233000122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17982311492.

The product of its (nonzero) digits is 144, while the sum is 19.

Adding to 21111233000122 its reverse (22100033211112), we get a palindrome (43211266211234).

The spelling of 21111233000122 in words is "twenty-one trillion, one hundred eleven billion, two hundred thirty-three million, one hundred twenty-two", and thus it is an aban number.