20323214210121 has 32 divisors (see below), whose sum is σ = 28103007421440. Its totient is φ = 13053413393856.

The previous prime is 20323214210113. The next prime is 20323214210153. The reversal of 20323214210121 is 12101241232302.

It is not a de Polignac number, because 20323214210121 - 2³ = 20323214210113 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 20323214210091 and 20323214210100.

It is not an unprimeable number, because it can be changed into a prime (20323214210191) 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, 25487340 + ... + 26272626.

It is an arithmetic number, because the mean of its divisors is an integer number (878218981920).

Almost surely, 2^{20323214210121} is an apocalyptic number.

It is an amenable number.

20323214210121 is a deficient number, since it is larger than the sum of its proper divisors (7779793211319).

20323214210121 is a wasteful number, since it uses less digits than its factorization.

20323214210121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787613.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 20323214210121 its reverse (12101241232302), we get a palindrome (32424455442423).

The spelling of 20323214210121 in words is "twenty trillion, three hundred twenty-three billion, two hundred fourteen million, two hundred ten thousand, one hundred twenty-one".