202231121211112 has 256 divisors, whose sum is σ = 467005867130880. Its totient is φ = 80133508915200.

The previous prime is 202231121211059. The next prime is 202231121211209. The reversal of 202231121211112 is 211112121132202.

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, 11156338993 + ... + 11156357119.

It is an arithmetic number, because the mean of its divisors is an integer number (1824241668480).

Almost surely, 2^{202231121211112} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 202231121211112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (233502933565440).

202231121211112 is an abundant number, since it is smaller than the sum of its proper divisors (264774745919768).

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

202231121211112 is a wasteful number, since it uses less digits than its factorization.

202231121211112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19032 (or 19028 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 22.

Adding to 202231121211112 its reverse (211112121132202), we get a palindrome (413343242343314).

The spelling of 202231121211112 in words is "two hundred two trillion, two hundred thirty-one billion, one hundred twenty-one million, two hundred eleven thousand, one hundred twelve".