20112021212102 has 8 divisors (see below), whose sum is σ = 31479685375536. Its totient is φ = 9618792753592.

The previous prime is 20112021212071. The next prime is 20112021212111. The reversal of 20112021212102 is 20121212021102.

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, 218608926173 + ... + 218608926264.

It is an arithmetic number, because the mean of its divisors is an integer number (3934960671942).

Almost surely, 2^{20112021212102} is an apocalyptic number.

20112021212102 is a deficient number, since it is larger than the sum of its proper divisors (11367664163434).

20112021212102 is a wasteful number, since it uses less digits than its factorization.

20112021212102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437217852462.

The product of its (nonzero) digits is 64, while the sum is 17.

Adding to 20112021212102 its reverse (20121212021102), we get a palindrome (40233233233204).

The spelling of 20112021212102 in words is "twenty trillion, one hundred twelve billion, twenty-one million, two hundred twelve thousand, one hundred two".