20102212110121 has 8 divisors (see below), whose sum is σ = 20144327305280. Its totient is φ = 20060110957392.

The previous prime is 20102212110119. The next prime is 20102212110223. The reversal of 20102212110121 is 12101121220102.

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 20102212110121 - 2¹ = 20102212110119 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 20102212110095 and 20102212110104.

It is not an unprimeable number, because it can be changed into a prime (20102212140121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 642090 + ... + 6373123.

It is an arithmetic number, because the mean of its divisors is an integer number (2518040913160).

Almost surely, 2^{20102212110121} is an apocalyptic number.

It is an amenable number.

20102212110121 is a deficient number, since it is larger than the sum of its proper divisors (42115195159).

20102212110121 is an equidigital number, since it uses as much as digits as its factorization.

20102212110121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7021215.

The product of its (nonzero) digits is 32, while the sum is 16.

Adding to 20102212110121 its reverse (12101121220102), we get a palindrome (32203333330223).

The spelling of 20102212110121 in words is "twenty trillion, one hundred two billion, two hundred twelve million, one hundred ten thousand, one hundred twenty-one".