203122020111010 has 128 divisors (see below), whose sum is σ = 495762306375168. Its totient is φ = 57862080000000.

The previous prime is 203122020111007. The next prime is 203122020111091. The reversal of 203122020111010 is 10111020221302.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 99443991 + ... + 101466010.

It is an arithmetic number, because the mean of its divisors is an integer number (3873143018556).

Almost surely, 2^{203122020111010} is an apocalyptic number.

203122020111010 is an abundant number, since it is smaller than the sum of its proper divisors (292640286264158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

203122020111010 is a wasteful number, since it uses less digits than its factorization.

203122020111010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200910140.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 203122020111010 its reverse (10111020221302), we get a palindrome (213233040332312).

The spelling of 203122020111010 in words is "two hundred three trillion, one hundred twenty-two billion, twenty million, one hundred eleven thousand, ten".