20211220110110 has 8 divisors (see below), whose sum is σ = 36380196198216. Its totient is φ = 8084488044040.

The previous prime is 20211220110073. The next prime is 20211220110127. The reversal of 20211220110110 is 1101102211202.

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, 1010561005496 + ... + 1010561005515.

It is an arithmetic number, because the mean of its divisors is an integer number (4547524524777).

Almost surely, 2^{20211220110110} is an apocalyptic number.

20211220110110 is a deficient number, since it is larger than the sum of its proper divisors (16168976088106).

20211220110110 is a wasteful number, since it uses less digits than its factorization.

20211220110110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2021122011018.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 20211220110110 its reverse (1101102211202), we get a palindrome (21312322321312).

The spelling of 20211220110110 in words is "twenty trillion, two hundred eleven billion, two hundred twenty million, one hundred ten thousand, one hundred ten".