203102322312211 has 16 divisors (see below), whose sum is σ = 244469286645760. Its totient is φ = 164833619630400.

The previous prime is 203102322312187. The next prime is 203102322312229. The reversal of 203102322312211 is 112213223201302.

It is not a de Polignac number, because 203102322312211 - 2²¹ = 203102320215059 is a prime.

It is a super-2 number, since 2×203102322312211² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (203102322312311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 423715251 + ... + 424194316.

It is an arithmetic number, because the mean of its divisors is an integer number (15279330415360).

Almost surely, 2^{203102322312211} is an apocalyptic number.

203102322312211 is a deficient number, since it is larger than the sum of its proper divisors (41366964333549).

203102322312211 is a wasteful number, since it uses less digits than its factorization.

203102322312211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 847911394.

The product of its (nonzero) digits is 1728, while the sum is 25.

Adding to 203102322312211 its reverse (112213223201302), we get a palindrome (315315545513513).

The spelling of 203102322312211 in words is "two hundred three trillion, one hundred two billion, three hundred twenty-two million, three hundred twelve thousand, two hundred eleven".