20122221212102 has 8 divisors (see below), whose sum is σ = 30919510643112. Its totient is φ = 9815717664400.

The previous prime is 20122221212081. The next prime is 20122221212111. The reversal of 20122221212102 is 20121212222102.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122696470724 + ... + 122696470887.

It is an arithmetic number, because the mean of its divisors is an integer number (3864938830389).

Almost surely, 2^{20122221212102} is an apocalyptic number.

20122221212102 is a deficient number, since it is larger than the sum of its proper divisors (10797289431010).

20122221212102 is a wasteful number, since it uses less digits than its factorization.

20122221212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245392941654.

The product of its (nonzero) digits is 256, while the sum is 20.

Adding to 20122221212102 its reverse (20121212222102), we get a palindrome (40243433434204).

The spelling of 20122221212102 in words is "twenty trillion, one hundred twenty-two billion, two hundred twenty-one million, two hundred twelve thousand, one hundred two".