12021210223101 has 32 divisors (see below), whose sum is σ = 17837840373120. Its totient is φ = 8001254034432.

The previous prime is 12021210223051. The next prime is 12021210223103. The reversal of 12021210223101 is 10132201212021.

12021210223101 is a `hidden beast` number, since 120 + 2 + 1 + 210 + 22 + 310 + 1 = 666.

It is not a de Polignac number, because 12021210223101 - 2⁹ = 12021210222589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12021210223103) 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, 443458990 + ... + 443486096.

It is an arithmetic number, because the mean of its divisors is an integer number (557432511660).

Almost surely, 2^{12021210223101} is an apocalyptic number.

It is an amenable number.

12021210223101 is a deficient number, since it is larger than the sum of its proper divisors (5816630150019).

12021210223101 is a wasteful number, since it uses less digits than its factorization.

12021210223101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52922 (or 52916 counting only the distinct ones).

The product of its (nonzero) digits is 96, while the sum is 18.

Adding to 12021210223101 its reverse (10132201212021), we get a palindrome (22153411435122).

The spelling of 12021210223101 in words is "twelve trillion, twenty-one billion, two hundred ten million, two hundred twenty-three thousand, one hundred one".