203112122011202 has 16 divisors (see below), whose sum is σ = 317918762151552. Its totient is φ = 97139316193920.

The previous prime is 203112122011189. The next prime is 203112122011243. The reversal of 203112122011202 is 202110221211302.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25146278 + ... + 32226689.

It is an arithmetic number, because the mean of its divisors is an integer number (19869922634472).

Almost surely, 2^{203112122011202} is an apocalyptic number.

203112122011202 is a deficient number, since it is larger than the sum of its proper divisors (114806640140350).

203112122011202 is a wasteful number, since it uses less digits than its factorization.

203112122011202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57449953.

The product of its (nonzero) digits is 192, while the sum is 20.

Adding to 203112122011202 its reverse (202110221211302), we get a palindrome (405222343222504).

The spelling of 203112122011202 in words is "two hundred three trillion, one hundred twelve billion, one hundred twenty-two million, eleven thousand, two hundred two".