121071151827 has 6 divisors (see below), whose sum is σ = 174880552652. Its totient is φ = 80714101212.

The previous prime is 121071151807. The next prime is 121071151879. The reversal of 121071151827 is 728151170121.

121071151827 is a `hidden beast` number, since 1 + 2 + 107 + 11 + 518 + 27 = 666.

It is not a de Polignac number, because 121071151827 - 2²⁴ = 121054374611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 121071151791 and 121071151800.

It is not an unprimeable number, because it can be changed into a prime (121071151807) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6726175093 + ... + 6726175110.

Almost surely, 2^121071151827 is an apocalyptic number.

121071151827 is a deficient number, since it is larger than the sum of its proper divisors (53809400825).

121071151827 is a wasteful number, since it uses less digits than its factorization.

121071151827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13452350209 (or 13452350206 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 36.

The spelling of 121071151827 in words is "one hundred twenty-one billion, seventy-one million, one hundred fifty-one thousand, eight hundred twenty-seven".