121143001112 has 32 divisors (see below), whose sum is σ = 260269977600. Its totient is φ = 51782862624.

The previous prime is 121143001103. The next prime is 121143001121. The reversal of 121143001112 is 211100341121.

It is an interprime number because it is at equal distance from previous prime (121143001103) and next prime (121143001121).

It is a super-3 number, since 3×121143001112³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

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, 2802662 + ... + 2845557.

It is an arithmetic number, because the mean of its divisors is an integer number (8133436800).

Almost surely, 2^121143001112 is an apocalyptic number.

It is an amenable number.

121143001112 is an abundant number, since it is smaller than the sum of its proper divisors (139126976488).

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

121143001112 is a wasteful number, since it uses less digits than its factorization.

121143001112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5648615 (or 5648611 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 17.

Adding to 121143001112 its reverse (211100341121), we get a palindrome (332243342233).

The spelling of 121143001112 in words is "one hundred twenty-one billion, one hundred forty-three million, one thousand, one hundred twelve".