121121132531320 has 16 divisors (see below), whose sum is σ = 272522548195560. Its totient is φ = 48448453012512.

The previous prime is 121121132531309. The next prime is 121121132531363. The reversal of 121121132531320 is 23135231121121.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1514014156602 + ... + 1514014156681.

Almost surely, 2^{121121132531320} is an apocalyptic number.

121121132531320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

121121132531320 is an abundant number, since it is smaller than the sum of its proper divisors (151401415664240).

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

121121132531320 is a wasteful number, since it uses less digits than its factorization.

121121132531320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3028028313294 (or 3028028313290 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 28.

Adding to 121121132531320 its reverse (23135231121121), we get a palindrome (144256363652441).

The spelling of 121121132531320 in words is "one hundred twenty-one trillion, one hundred twenty-one billion, one hundred thirty-two million, five hundred thirty-one thousand, three hundred twenty".