20102211122223 has 8 divisors (see below), whose sum is σ = 26803021834368. Its totient is φ = 13401437245784.

The previous prime is 20102211122171. The next prime is 20102211122233. The reversal of 20102211122223 is 32222111220102.

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

It is a cyclic number.

It is not a de Polignac number, because 20102211122223 - 2²² = 20102206927919 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20102211122223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20102211122233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7909365 + ... + 10137182.

It is an arithmetic number, because the mean of its divisors is an integer number (3350377729296).

Almost surely, 2^{20102211122223} is an apocalyptic number.

20102211122223 is a deficient number, since it is larger than the sum of its proper divisors (6700810712145).

20102211122223 is a wasteful number, since it uses less digits than its factorization.

20102211122223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18417853.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 20102211122223 its reverse (32222111220102), we get a palindrome (52324322342325).

The spelling of 20102211122223 in words is "twenty trillion, one hundred two billion, two hundred eleven million, one hundred twenty-two thousand, two hundred twenty-three".