20102121220022 has 8 divisors (see below), whose sum is σ = 30153332083296. Its totient is φ = 10051010525592.

The previous prime is 20102121220001. The next prime is 20102121220039. The reversal of 20102121220022 is 22002212120102.

It is a happy number.

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

It is a super-3 number, since 3×20102121220022³ (a number of 41 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24538478 + ... + 25344449.

It is an arithmetic number, because the mean of its divisors is an integer number (3769166510412).

Almost surely, 2^{20102121220022} is an apocalyptic number.

20102121220022 is a deficient number, since it is larger than the sum of its proper divisors (10051210863274).

20102121220022 is a wasteful number, since it uses less digits than its factorization.

20102121220022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50084422.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 20102121220022 its reverse (22002212120102), we get a palindrome (42104333340124).

The spelling of 20102121220022 in words is "twenty trillion, one hundred two billion, one hundred twenty-one million, two hundred twenty thousand, twenty-two".