12210121112101 has 8 divisors (see below), whose sum is σ = 13320297817344. Its totient is φ = 11099972022720.

The previous prime is 12210121112099. The next prime is 12210121112129. The reversal of 12210121112101 is 10121112101221.

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

It is a cyclic number.

It is not a de Polignac number, because 12210121112101 - 2¹ = 12210121112099 is a prime.

It is a super-2 number, since 2×12210121112101² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12210121112401) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5974036 + ... + 7753021.

It is an arithmetic number, because the mean of its divisors is an integer number (1665037227168).

Almost surely, 2^{12210121112101} is an apocalyptic number.

12210121112101 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12210121112101 is a deficient number, since it is larger than the sum of its proper divisors (1110176705243).

12210121112101 is a wasteful number, since it uses less digits than its factorization.

12210121112101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13807931.

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

Adding to 12210121112101 its reverse (10121112101221), we get a palindrome (22331233213322).

The spelling of 12210121112101 in words is "twelve trillion, two hundred ten billion, one hundred twenty-one million, one hundred twelve thousand, one hundred one".