12212111110101 has 48 divisors (see below), whose sum is σ = 19336926787200. Its totient is φ = 6833886810240.

The previous prime is 12212111110093. The next prime is 12212111110103. The reversal of 12212111110101 is 10101111121221.

It is not a de Polignac number, because 12212111110101 - 2³ = 12212111110093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12212111110103) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2371326 + ... + 5481551.

It is an arithmetic number, because the mean of its divisors is an integer number (402852641400).

Almost surely, 2^{12212111110101} is an apocalyptic number.

It is an amenable number.

12212111110101 is a deficient number, since it is larger than the sum of its proper divisors (7124815677099).

12212111110101 is a wasteful number, since it uses less digits than its factorization.

12212111110101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853114 (or 7853107 counting only the distinct ones).

The product of its (nonzero) digits is 8, while the sum is 15.

Adding to 12212111110101 its reverse (10101111121221), we get a palindrome (22313222231322).

The spelling of 12212111110101 in words is "twelve trillion, two hundred twelve billion, one hundred eleven million, one hundred ten thousand, one hundred one".