20102122212203 has 16 divisors (see below), whose sum is σ = 21113069621280. Its totient is φ = 19112562475776.

The previous prime is 20102122212187. The next prime is 20102122212209. The reversal of 20102122212203 is 30221222120102.

It is a cyclic number.

It is not a de Polignac number, because 20102122212203 - 2⁴ = 20102122212187 is a prime.

It is a super-2 number, since 2×20102122212203² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (20102122212209) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3740525 + ... + 7361777.

It is an arithmetic number, because the mean of its divisors is an integer number (1319566851330).

Almost surely, 2^{20102122212203} is an apocalyptic number.

20102122212203 is a deficient number, since it is larger than the sum of its proper divisors (1010947409077).

20102122212203 is a wasteful number, since it uses less digits than its factorization.

20102122212203 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3624206.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 20102122212203 its reverse (30221222120102), we get a palindrome (50323344332305).

The spelling of 20102122212203 in words is "twenty trillion, one hundred two billion, one hundred twenty-two million, two hundred twelve thousand, two hundred three".