12221121123101 has 32 divisors (see below), whose sum is σ = 13696293929472. Its totient is φ = 10809529077760.

The previous prime is 12221121123083. The next prime is 12221121123143. The reversal of 12221121123101 is 10132112112221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12221121123101 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221121183101) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 123900935 + ... + 123999531.

It is an arithmetic number, because the mean of its divisors is an integer number (428009185296).

Almost surely, 2^{12221121123101} is an apocalyptic number.

12221121123101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12221121123101 is a deficient number, since it is larger than the sum of its proper divisors (1475172806371).

12221121123101 is a wasteful number, since it uses less digits than its factorization.

12221121123101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100069.

The product of its (nonzero) digits is 96, while the sum is 20.

Adding to 12221121123101 its reverse (10132112112221), we get a palindrome (22353233235322).

The spelling of 12221121123101 in words is "twelve trillion, two hundred twenty-one billion, one hundred twenty-one million, one hundred twenty-three thousand, one hundred one".