12211010102121 has 8 divisors (see below), whose sum is σ = 16281867780960. Its totient is φ = 8140412912352.

The previous prime is 12211010102099. The next prime is 12211010102141. The reversal of 12211010102121 is 12120101011221.

It is a happy number.

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

It is not a de Polignac number, because 12211010102121 - 2⁵ = 12211010102089 is a prime.

It is a super-2 number, since 2×12211010102121² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 12211010102121.

It is not an unprimeable number, because it can be changed into a prime (12211010102141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65012860 + ... + 65200413.

It is an arithmetic number, because the mean of its divisors is an integer number (2035233472620).

Almost surely, 2^{12211010102121} is an apocalyptic number.

It is an amenable number.

12211010102121 is a deficient number, since it is larger than the sum of its proper divisors (4070857678839).

12211010102121 is a wasteful number, since it uses less digits than its factorization.

12211010102121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130244535.

The product of its (nonzero) digits is 16, while the sum is 15.

Adding to 12211010102121 its reverse (12120101011221), we get a palindrome (24331111113342).

The spelling of 12211010102121 in words is "twelve trillion, two hundred eleven billion, ten million, one hundred two thousand, one hundred twenty-one".