121086551836 has 12 divisors (see below), whose sum is σ = 211915811520. Its totient is φ = 60539177120.

The previous prime is 121086551821. The next prime is 121086551837. The reversal of 121086551836 is 638155680121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (121086551837) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 957745 + ... + 1076776.

It is an arithmetic number, because the mean of its divisors is an integer number (17659650960).

Almost surely, 2^121086551836 is an apocalyptic number.

It is an amenable number.

121086551836 is a deficient number, since it is larger than the sum of its proper divisors (90829259684).

121086551836 is a wasteful number, since it uses less digits than its factorization.

121086551836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2049404 (or 2049402 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 46.

The spelling of 121086551836 in words is "one hundred twenty-one billion, eighty-six million, five hundred fifty-one thousand, eight hundred thirty-six".