12221111302101 has 48 divisors (see below), whose sum is σ = 19441866312960. Its totient is φ = 7351965129600.

The previous prime is 12221111302093. The next prime is 12221111302111. The reversal of 12221111302101 is 10120311112221.

It is a happy number.

It is not a de Polignac number, because 12221111302101 - 2³ = 12221111302093 is a prime.

It is a super-2 number, since 2×12221111302101² (a number of 27 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12221111302111) 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, 5612011 + ... + 7479096.

It is an arithmetic number, because the mean of its divisors is an integer number (405038881520).

Almost surely, 2^{12221111302101} is an apocalyptic number.

It is an amenable number.

12221111302101 is a deficient number, since it is larger than the sum of its proper divisors (7220755010859).

12221111302101 is a wasteful number, since it uses less digits than its factorization.

12221111302101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13091306 (or 13091303 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 18.

Adding to 12221111302101 its reverse (10120311112221), we get a palindrome (22341422414322).

The spelling of 12221111302101 in words is "twelve trillion, two hundred twenty-one billion, one hundred eleven million, three hundred two thousand, one hundred one".