202102111123203 has 8 divisors (see below), whose sum is σ = 269469640780816. Its totient is φ = 134734661107200.

The previous prime is 202102111123189. The next prime is 202102111123223. The reversal of 202102111123203 is 302321111201202.

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

It is not a de Polignac number, because 202102111123203 - 2¹² = 202102111119107 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 202102111123203.

It is not an unprimeable number, because it can be changed into a prime (202102111123223) 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, 13713718 + ... + 24336603.

It is an arithmetic number, because the mean of its divisors is an integer number (33683705097602).

Almost surely, 2^{202102111123203} is an apocalyptic number.

202102111123203 is a deficient number, since it is larger than the sum of its proper divisors (67367529657613).

202102111123203 is a wasteful number, since it uses less digits than its factorization.

202102111123203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39820805.

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 202102111123203 its reverse (302321111201202), we get a palindrome (504423222324405).

The spelling of 202102111123203 in words is "two hundred two trillion, one hundred two billion, one hundred eleven million, one hundred twenty-three thousand, two hundred three".