12212021211101 has 32 divisors (see below), whose sum is σ = 13017177600000. Its totient is φ = 11424221145792.

The previous prime is 12212021211017. The next prime is 12212021211127. The reversal of 12212021211101 is 10111212021221.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12212021211101 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12212021211101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212021211601) 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, 355738400 + ... + 355772726.

It is an arithmetic number, because the mean of its divisors is an integer number (406786800000).

Almost surely, 2^{12212021211101} is an apocalyptic number.

It is an amenable number.

12212021211101 is a deficient number, since it is larger than the sum of its proper divisors (805156388899).

12212021211101 is a wasteful number, since it uses less digits than its factorization.

12212021211101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35241.

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

Adding to 12212021211101 its reverse (10111212021221), we get a palindrome (22323233232322).

The spelling of 12212021211101 in words is "twelve trillion, two hundred twelve billion, twenty-one million, two hundred eleven thousand, one hundred one".